64060880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2044

約数の個数: 80

約数和(自身を含む): 165656064

約数和(自身を除く): 101595184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 1987, 2015, 2480, 3224, 3974, 4030, 6448, 7948, 8060, 9935, 15896, 16120, 19870, 25831, 31792, 32240, 39740, 51662, 61597, 79480, 103324, 123194, 129155, 158960, 206648, 246388, 258310, 307985, 413296, 492776, 516620, 615970, 800761, 985552, 1033240, 1231940, 1601522, 2066480, 2463880, 3203044, 4003805, 4927760, 6406088, 8007610, 12812176, 16015220, 32030440, 64060880]

約数ペア:

[(1, 64060880), (2, 32030440), (4, 16015220), (5, 12812176), (8, 8007610), (10, 6406088), (13, 4927760), (16, 4003805), (20, 3203044), (26, 2463880), (31, 2066480), (40, 1601522), (52, 1231940), (62, 1033240), (65, 985552), (80, 800761), (104, 615970), (124, 516620), (130, 492776), (155, 413296), (208, 307985), (248, 258310), (260, 246388), (310, 206648), (403, 158960), (496, 129155), (520, 123194), (620, 103324), (806, 79480), (1040, 61597), (1240, 51662), (1612, 39740), (1987, 32240), (2015, 31792), (2480, 25831), (3224, 19870), (3974, 16120), (4030, 15896), (6448, 9935), (7948, 8060)]