38983880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1229}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 96087600

約数和(自身を除く): 57103720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1229, 1586, 2440, 2458, 3172, 3965, 4916, 6145, 6344, 7930, 9832, 12290, 15860, 15977, 24580, 31720, 31954, 49160, 63908, 74969, 79885, 127816, 149938, 159770, 299876, 319540, 374845, 599752, 639080, 749690, 974597, 1499380, 1949194, 2998760, 3898388, 4872985, 7796776, 9745970, 19491940, 38983880]

約数ペア:

[(1, 38983880), (2, 19491940), (4, 9745970), (5, 7796776), (8, 4872985), (10, 3898388), (13, 2998760), (20, 1949194), (26, 1499380), (40, 974597), (52, 749690), (61, 639080), (65, 599752), (104, 374845), (122, 319540), (130, 299876), (244, 159770), (260, 149938), (305, 127816), (488, 79885), (520, 74969), (610, 63908), (793, 49160), (1220, 31954), (1229, 31720), (1586, 24580), (2440, 15977), (2458, 15860), (3172, 12290), (3965, 9832), (4916, 7930), (6145, 6344)]