5147480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 13154400

約数和(自身を除く): 8006920

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, 521, 760, 988, 1042, 1235, 1976, 2084, 2470, 2605, 4168, 4940, 5210, 6773, 9880, 9899, 10420, 13546, 19798, 20840, 27092, 33865, 39596, 49495, 54184, 67730, 79192, 98990, 128687, 135460, 197980, 257374, 270920, 395960, 514748, 643435, 1029496, 1286870, 2573740, 5147480]

約数ペア:

[(1, 5147480), (2, 2573740), (4, 1286870), (5, 1029496), (8, 643435), (10, 514748), (13, 395960), (19, 270920), (20, 257374), (26, 197980), (38, 135460), (40, 128687), (52, 98990), (65, 79192), (76, 67730), (95, 54184), (104, 49495), (130, 39596), (152, 33865), (190, 27092), (247, 20840), (260, 19798), (380, 13546), (494, 10420), (520, 9899), (521, 9880), (760, 6773), (988, 5210), (1042, 4940), (1235, 4168), (1976, 2605), (2084, 2470)]