13185380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 30989952

約数和(自身を除く): 17804572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 83, 94, 130, 166, 169, 188, 235, 260, 332, 338, 415, 470, 611, 676, 830, 845, 940, 1079, 1222, 1660, 1690, 2158, 2444, 3055, 3380, 3901, 4316, 5395, 6110, 7802, 7943, 10790, 12220, 14027, 15604, 15886, 19505, 21580, 28054, 31772, 39010, 39715, 50713, 56108, 70135, 78020, 79430, 101426, 140270, 158860, 202852, 253565, 280540, 507130, 659269, 1014260, 1318538, 2637076, 3296345, 6592690, 13185380]

約数ペア:

[(1, 13185380), (2, 6592690), (4, 3296345), (5, 2637076), (10, 1318538), (13, 1014260), (20, 659269), (26, 507130), (47, 280540), (52, 253565), (65, 202852), (83, 158860), (94, 140270), (130, 101426), (166, 79430), (169, 78020), (188, 70135), (235, 56108), (260, 50713), (332, 39715), (338, 39010), (415, 31772), (470, 28054), (611, 21580), (676, 19505), (830, 15886), (845, 15604), (940, 14027), (1079, 12220), (1222, 10790), (1660, 7943), (1690, 7802), (2158, 6110), (2444, 5395), (3055, 4316), (3380, 3901)]