984560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 2368896

約数和(自身を除く): 1384336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 397, 496, 620, 794, 1240, 1588, 1985, 2480, 3176, 3970, 6352, 7940, 12307, 15880, 24614, 31760, 49228, 61535, 98456, 123070, 196912, 246140, 492280, 984560]

約数ペア:

[(1, 984560), (2, 492280), (4, 246140), (5, 196912), (8, 123070), (10, 98456), (16, 61535), (20, 49228), (31, 31760), (40, 24614), (62, 15880), (80, 12307), (124, 7940), (155, 6352), (248, 3970), (310, 3176), (397, 2480), (496, 1985), (620, 1588), (794, 1240)]