12486804980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{217313}}^1$

素因数の和:217365

約数の個数: 72

約数和(自身を含む): 30064957272

約数和(自身を除く): 17578152292

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1690, 2210, 2873, 3380, 4420, 5746, 11492, 14365, 28730, 57460, 217313, 434626, 869252, 1086565, 2173130, 2825069, 3694321, 4346260, 5650138, 7388642, 11300276, 14125345, 14777284, 18471605, 28250690, 36725897, 36943210, 48026173, 56501380, 73451794, 73886420, 96052346, 146903588, 183629485, 192104692, 240130865, 367258970, 480261730, 624340249, 734517940, 960523460, 1248680498, 2497360996, 3121701245, 6243402490, 12486804980]

約数ペア:

[(1, 12486804980), (2, 6243402490), (4, 3121701245), (5, 2497360996), (10, 1248680498), (13, 960523460), (17, 734517940), (20, 624340249), (26, 480261730), (34, 367258970), (52, 240130865), (65, 192104692), (68, 183629485), (85, 146903588), (130, 96052346), (169, 73886420), (170, 73451794), (221, 56501380), (260, 48026173), (338, 36943210), (340, 36725897), (442, 28250690), (676, 18471605), (845, 14777284), (884, 14125345), (1105, 11300276), (1690, 7388642), (2210, 5650138), (2873, 4346260), (3380, 3694321), (4420, 2825069), (5746, 2173130), (11492, 1086565), (14365, 869252), (28730, 434626), (57460, 217313)]