81789200

素因数分解:

$2^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{2801}}^1$

素因数の和:2892

約数の個数: 60

約数和(自身を含む): 199261428

約数和(自身を除く): 117472228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 73, 80, 100, 146, 200, 292, 365, 400, 584, 730, 1168, 1460, 1825, 2801, 2920, 3650, 5602, 5840, 7300, 11204, 14005, 14600, 22408, 28010, 29200, 44816, 56020, 70025, 112040, 140050, 204473, 224080, 280100, 408946, 560200, 817892, 1022365, 1120400, 1635784, 2044730, 3271568, 4089460, 5111825, 8178920, 10223650, 16357840, 20447300, 40894600, 81789200]

約数ペア:

[(1, 81789200), (2, 40894600), (4, 20447300), (5, 16357840), (8, 10223650), (10, 8178920), (16, 5111825), (20, 4089460), (25, 3271568), (40, 2044730), (50, 1635784), (73, 1120400), (80, 1022365), (100, 817892), (146, 560200), (200, 408946), (292, 280100), (365, 224080), (400, 204473), (584, 140050), (730, 112040), (1168, 70025), (1460, 56020), (1825, 44816), (2801, 29200), (2920, 28010), (3650, 22408), (5602, 14600), (5840, 14005), (7300, 11204)]