27820000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:150

約数の個数: 120

約数和(自身を含む): 74394936

約数和(自身を除く): 46574936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 107, 125, 130, 160, 200, 208, 214, 250, 260, 325, 400, 416, 428, 500, 520, 535, 625, 650, 800, 856, 1000, 1040, 1070, 1250, 1300, 1391, 1625, 1712, 2000, 2080, 2140, 2500, 2600, 2675, 2782, 3250, 3424, 4000, 4280, 5000, 5200, 5350, 5564, 6500, 6955, 8125, 8560, 10000, 10400, 10700, 11128, 13000, 13375, 13910, 16250, 17120, 20000, 21400, 22256, 26000, 26750, 27820, 32500, 34775, 42800, 44512, 52000, 53500, 55640, 65000, 66875, 69550, 85600, 107000, 111280, 130000, 133750, 139100, 173875, 214000, 222560, 260000, 267500, 278200, 347750, 428000, 535000, 556400, 695500, 869375, 1070000, 1112800, 1391000, 1738750, 2140000, 2782000, 3477500, 5564000, 6955000, 13910000, 27820000]

約数ペア:

[(1, 27820000), (2, 13910000), (4, 6955000), (5, 5564000), (8, 3477500), (10, 2782000), (13, 2140000), (16, 1738750), (20, 1391000), (25, 1112800), (26, 1070000), (32, 869375), (40, 695500), (50, 556400), (52, 535000), (65, 428000), (80, 347750), (100, 278200), (104, 267500), (107, 260000), (125, 222560), (130, 214000), (160, 173875), (200, 139100), (208, 133750), (214, 130000), (250, 111280), (260, 107000), (325, 85600), (400, 69550), (416, 66875), (428, 65000), (500, 55640), (520, 53500), (535, 52000), (625, 44512), (650, 42800), (800, 34775), (856, 32500), (1000, 27820), (1040, 26750), (1070, 26000), (1250, 22256), (1300, 21400), (1391, 20000), (1625, 17120), (1712, 16250), (2000, 13910), (2080, 13375), (2140, 13000), (2500, 11128), (2600, 10700), (2675, 10400), (2782, 10000), (3250, 8560), (3424, 8125), (4000, 6955), (4280, 6500), (5000, 5564), (5200, 5350)]