39648440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4013}}^1$

素因数の和:4056

約数の個数: 64

約数和(自身を含む): 101152800

約数和(自身を除く): 61504360

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4013, 4940, 8026, 9880, 16052, 20065, 32104, 40130, 52169, 76247, 80260, 104338, 152494, 160520, 208676, 260845, 304988, 381235, 417352, 521690, 609976, 762470, 991211, 1043380, 1524940, 1982422, 2086760, 3049880, 3964844, 4956055, 7929688, 9912110, 19824220, 39648440]

約数ペア:

[(1, 39648440), (2, 19824220), (4, 9912110), (5, 7929688), (8, 4956055), (10, 3964844), (13, 3049880), (19, 2086760), (20, 1982422), (26, 1524940), (38, 1043380), (40, 991211), (52, 762470), (65, 609976), (76, 521690), (95, 417352), (104, 381235), (130, 304988), (152, 260845), (190, 208676), (247, 160520), (260, 152494), (380, 104338), (494, 80260), (520, 76247), (760, 52169), (988, 40130), (1235, 32104), (1976, 20065), (2470, 16052), (4013, 9880), (4940, 8026)]