48708920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2064

約数の個数: 64

約数和(自身を含む): 120597120

約数和(自身を除く): 71888200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 1993, 2444, 3055, 3986, 4888, 6110, 7972, 9965, 12220, 15944, 19930, 24440, 25909, 39860, 51818, 79720, 93671, 103636, 129545, 187342, 207272, 259090, 374684, 468355, 518180, 749368, 936710, 1036360, 1217723, 1873420, 2435446, 3746840, 4870892, 6088615, 9741784, 12177230, 24354460, 48708920]

約数ペア:

[(1, 48708920), (2, 24354460), (4, 12177230), (5, 9741784), (8, 6088615), (10, 4870892), (13, 3746840), (20, 2435446), (26, 1873420), (40, 1217723), (47, 1036360), (52, 936710), (65, 749368), (94, 518180), (104, 468355), (130, 374684), (188, 259090), (235, 207272), (260, 187342), (376, 129545), (470, 103636), (520, 93671), (611, 79720), (940, 51818), (1222, 39860), (1880, 25909), (1993, 24440), (2444, 19930), (3055, 15944), (3986, 12220), (4888, 9965), (6110, 7972)]