66299740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13421}}^1$

素因数の和:13462

約数の個数: 48

約数和(自身を含む): 157842720

約数和(自身を除く): 91542980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 13421, 26842, 53684, 67105, 134210, 174473, 254999, 268420, 348946, 509998, 697892, 872365, 1019996, 1274995, 1744730, 2549990, 3314987, 3489460, 5099980, 6629974, 13259948, 16574935, 33149870, 66299740]

約数ペア:

[(1, 66299740), (2, 33149870), (4, 16574935), (5, 13259948), (10, 6629974), (13, 5099980), (19, 3489460), (20, 3314987), (26, 2549990), (38, 1744730), (52, 1274995), (65, 1019996), (76, 872365), (95, 697892), (130, 509998), (190, 348946), (247, 268420), (260, 254999), (380, 174473), (494, 134210), (988, 67105), (1235, 53684), (2470, 26842), (4940, 13421)]