66571700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1317

約数の個数: 72

約数和(自身を含む): 159495000

約数和(自身を除く): 92923300

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 205, 260, 325, 410, 533, 650, 820, 1025, 1066, 1249, 1300, 2050, 2132, 2498, 2665, 4100, 4996, 5330, 6245, 10660, 12490, 13325, 16237, 24980, 26650, 31225, 32474, 51209, 53300, 62450, 64948, 81185, 102418, 124900, 162370, 204836, 256045, 324740, 405925, 512090, 665717, 811850, 1024180, 1280225, 1331434, 1623700, 2560450, 2662868, 3328585, 5120900, 6657170, 13314340, 16642925, 33285850, 66571700]

約数ペア:

[(1, 66571700), (2, 33285850), (4, 16642925), (5, 13314340), (10, 6657170), (13, 5120900), (20, 3328585), (25, 2662868), (26, 2560450), (41, 1623700), (50, 1331434), (52, 1280225), (65, 1024180), (82, 811850), (100, 665717), (130, 512090), (164, 405925), (205, 324740), (260, 256045), (325, 204836), (410, 162370), (533, 124900), (650, 102418), (820, 81185), (1025, 64948), (1066, 62450), (1249, 53300), (1300, 51209), (2050, 32474), (2132, 31225), (2498, 26650), (2665, 24980), (4100, 16237), (4996, 13325), (5330, 12490), (6245, 10660)]