22554920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 55112400

約数和(自身を除く): 32557480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 809, 820, 1394, 1618, 1640, 2788, 3236, 3485, 4045, 5576, 6472, 6970, 8090, 13753, 13940, 16180, 27506, 27880, 32360, 33169, 55012, 66338, 68765, 110024, 132676, 137530, 165845, 265352, 275060, 331690, 550120, 563873, 663380, 1127746, 1326760, 2255492, 2819365, 4510984, 5638730, 11277460, 22554920]

約数ペア:

[(1, 22554920), (2, 11277460), (4, 5638730), (5, 4510984), (8, 2819365), (10, 2255492), (17, 1326760), (20, 1127746), (34, 663380), (40, 563873), (41, 550120), (68, 331690), (82, 275060), (85, 265352), (136, 165845), (164, 137530), (170, 132676), (205, 110024), (328, 68765), (340, 66338), (410, 55012), (680, 33169), (697, 32360), (809, 27880), (820, 27506), (1394, 16180), (1618, 13940), (1640, 13753), (2788, 8090), (3236, 6970), (3485, 6472), (4045, 5576)]