77224720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31139}}^1$

素因数の和:31183

約数の個数: 40

約数和(自身を含む): 185345280

約数和(自身を除く): 108120560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 31139, 62278, 124556, 155695, 249112, 311390, 498224, 622780, 965309, 1245560, 1930618, 2491120, 3861236, 4826545, 7722472, 9653090, 15444944, 19306180, 38612360, 77224720]

約数ペア:

[(1, 77224720), (2, 38612360), (4, 19306180), (5, 15444944), (8, 9653090), (10, 7722472), (16, 4826545), (20, 3861236), (31, 2491120), (40, 1930618), (62, 1245560), (80, 965309), (124, 622780), (155, 498224), (248, 311390), (310, 249112), (496, 155695), (620, 124556), (1240, 62278), (2480, 31139)]