28738240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2897}}^1$

素因数の和:2945

約数の個数: 56

約数和(自身を含む): 70664832

約数和(自身を除く): 41926592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 2897, 4960, 5794, 9920, 11588, 14485, 23176, 28970, 46352, 57940, 89807, 92704, 115880, 179614, 185408, 231760, 359228, 449035, 463520, 718456, 898070, 927040, 1436912, 1796140, 2873824, 3592280, 5747648, 7184560, 14369120, 28738240]

約数ペア:

[(1, 28738240), (2, 14369120), (4, 7184560), (5, 5747648), (8, 3592280), (10, 2873824), (16, 1796140), (20, 1436912), (31, 927040), (32, 898070), (40, 718456), (62, 463520), (64, 449035), (80, 359228), (124, 231760), (155, 185408), (160, 179614), (248, 115880), (310, 92704), (320, 89807), (496, 57940), (620, 46352), (992, 28970), (1240, 23176), (1984, 14485), (2480, 11588), (2897, 9920), (4960, 5794)]