47497840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 120304800

約数和(自身を除く): 72806960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 419, 436, 520, 545, 838, 872, 1040, 1090, 1417, 1676, 1744, 2095, 2180, 2834, 3352, 4190, 4360, 5447, 5668, 6704, 7085, 8380, 8720, 10894, 11336, 14170, 16760, 21788, 22672, 27235, 28340, 33520, 43576, 45671, 54470, 56680, 87152, 91342, 108940, 113360, 182684, 217880, 228355, 365368, 435760, 456710, 593723, 730736, 913420, 1187446, 1826840, 2374892, 2968615, 3653680, 4749784, 5937230, 9499568, 11874460, 23748920, 47497840]

約数ペア:

[(1, 47497840), (2, 23748920), (4, 11874460), (5, 9499568), (8, 5937230), (10, 4749784), (13, 3653680), (16, 2968615), (20, 2374892), (26, 1826840), (40, 1187446), (52, 913420), (65, 730736), (80, 593723), (104, 456710), (109, 435760), (130, 365368), (208, 228355), (218, 217880), (260, 182684), (419, 113360), (436, 108940), (520, 91342), (545, 87152), (838, 56680), (872, 54470), (1040, 45671), (1090, 43576), (1417, 33520), (1676, 28340), (1744, 27235), (2095, 22672), (2180, 21788), (2834, 16760), (3352, 14170), (4190, 11336), (4360, 10894), (5447, 8720), (5668, 8380), (6704, 7085)]