30985120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6247}}^1$

素因数の和:6293

約数の個数: 48

約数和(自身を含む): 75575808

約数和(自身を除く): 44590688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 6247, 12494, 24988, 31235, 49976, 62470, 99952, 124940, 193657, 199904, 249880, 387314, 499760, 774628, 968285, 999520, 1549256, 1936570, 3098512, 3873140, 6197024, 7746280, 15492560, 30985120]

約数ペア:

[(1, 30985120), (2, 15492560), (4, 7746280), (5, 6197024), (8, 3873140), (10, 3098512), (16, 1936570), (20, 1549256), (31, 999520), (32, 968285), (40, 774628), (62, 499760), (80, 387314), (124, 249880), (155, 199904), (160, 193657), (248, 124940), (310, 99952), (496, 62470), (620, 49976), (992, 31235), (1240, 24988), (2480, 12494), (4960, 6247)]