1320389200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8253

約数の個数: 120

約数和(自身を含む): 3526885376

約数和(自身を除く): 2206496176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 496, 520, 620, 650, 775, 806, 1040, 1240, 1300, 1550, 1612, 2015, 2480, 2600, 3100, 3224, 4030, 5200, 6200, 6448, 8060, 8191, 10075, 12400, 16120, 16382, 20150, 32240, 32764, 40300, 40955, 65528, 80600, 81910, 106483, 131056, 161200, 163820, 204775, 212966, 253921, 327640, 409550, 425932, 507842, 532415, 655280, 819100, 851864, 1015684, 1064830, 1269605, 1638200, 1703728, 2031368, 2129660, 2539210, 2662075, 3276400, 3300973, 4062736, 4259320, 5078420, 5324150, 6348025, 6601946, 8518640, 10156840, 10648300, 12696050, 13203892, 16504865, 20313680, 21296600, 25392100, 26407784, 33009730, 42593200, 50784200, 52815568, 66019460, 82524325, 101568400, 132038920, 165048650, 264077840, 330097300, 660194600, 1320389200]

約数ペア:

[(1, 1320389200), (2, 660194600), (4, 330097300), (5, 264077840), (8, 165048650), (10, 132038920), (13, 101568400), (16, 82524325), (20, 66019460), (25, 52815568), (26, 50784200), (31, 42593200), (40, 33009730), (50, 26407784), (52, 25392100), (62, 21296600), (65, 20313680), (80, 16504865), (100, 13203892), (104, 12696050), (124, 10648300), (130, 10156840), (155, 8518640), (200, 6601946), (208, 6348025), (248, 5324150), (260, 5078420), (310, 4259320), (325, 4062736), (400, 3300973), (403, 3276400), (496, 2662075), (520, 2539210), (620, 2129660), (650, 2031368), (775, 1703728), (806, 1638200), (1040, 1269605), (1240, 1064830), (1300, 1015684), (1550, 851864), (1612, 819100), (2015, 655280), (2480, 532415), (2600, 507842), (3100, 425932), (3224, 409550), (4030, 327640), (5200, 253921), (6200, 212966), (6448, 204775), (8060, 163820), (8191, 161200), (10075, 131056), (12400, 106483), (16120, 81910), (16382, 80600), (20150, 65528), (32240, 40955), (32764, 40300)]