13043420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 31543344

約数和(自身を除く): 18499924

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 227, 260, 338, 340, 442, 454, 676, 845, 884, 908, 1105, 1135, 1690, 2210, 2270, 2873, 2951, 3380, 3859, 4420, 4540, 5746, 5902, 7718, 11492, 11804, 14365, 14755, 15436, 19295, 28730, 29510, 38363, 38590, 50167, 57460, 59020, 76726, 77180, 100334, 153452, 191815, 200668, 250835, 383630, 501670, 652171, 767260, 1003340, 1304342, 2608684, 3260855, 6521710, 13043420]

約数ペア:

[(1, 13043420), (2, 6521710), (4, 3260855), (5, 2608684), (10, 1304342), (13, 1003340), (17, 767260), (20, 652171), (26, 501670), (34, 383630), (52, 250835), (65, 200668), (68, 191815), (85, 153452), (130, 100334), (169, 77180), (170, 76726), (221, 59020), (227, 57460), (260, 50167), (338, 38590), (340, 38363), (442, 29510), (454, 28730), (676, 19295), (845, 15436), (884, 14755), (908, 14365), (1105, 11804), (1135, 11492), (1690, 7718), (2210, 5902), (2270, 5746), (2873, 4540), (2951, 4420), (3380, 3859)]