99575720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 233418240

約数和(自身を除く): 133842520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 155, 248, 262, 310, 524, 613, 620, 655, 1048, 1226, 1240, 1310, 2452, 2620, 3065, 4061, 4904, 5240, 6130, 8122, 12260, 16244, 19003, 20305, 24520, 32488, 38006, 40610, 76012, 80303, 81220, 95015, 152024, 160606, 162440, 190030, 321212, 380060, 401515, 642424, 760120, 803030, 1606060, 2489393, 3212120, 4978786, 9957572, 12446965, 19915144, 24893930, 49787860, 99575720]

約数ペア:

[(1, 99575720), (2, 49787860), (4, 24893930), (5, 19915144), (8, 12446965), (10, 9957572), (20, 4978786), (31, 3212120), (40, 2489393), (62, 1606060), (124, 803030), (131, 760120), (155, 642424), (248, 401515), (262, 380060), (310, 321212), (524, 190030), (613, 162440), (620, 160606), (655, 152024), (1048, 95015), (1226, 81220), (1240, 80303), (1310, 76012), (2452, 40610), (2620, 38006), (3065, 32488), (4061, 24520), (4904, 20305), (5240, 19003), (6130, 16244), (8122, 12260)]