68626220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4327}}^1$

素因数の和:4410

約数の個数: 48

約数和(自身を含む): 157781568

約数和(自身を除く): 89155348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 4327, 7930, 8654, 15860, 17308, 21635, 43270, 56251, 86540, 112502, 225004, 263947, 281255, 527894, 562510, 1055788, 1125020, 1319735, 2639470, 3431311, 5278940, 6862622, 13725244, 17156555, 34313110, 68626220]

約数ペア:

[(1, 68626220), (2, 34313110), (4, 17156555), (5, 13725244), (10, 6862622), (13, 5278940), (20, 3431311), (26, 2639470), (52, 1319735), (61, 1125020), (65, 1055788), (122, 562510), (130, 527894), (244, 281255), (260, 263947), (305, 225004), (610, 112502), (793, 86540), (1220, 56251), (1586, 43270), (3172, 21635), (3965, 17308), (4327, 15860), (7930, 8654)]