27238940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 59058720

約数和(自身を除く): 31819780

約数列:

[1, 2, 4, 5, 10, 20, 61, 83, 122, 166, 244, 269, 305, 332, 415, 538, 610, 830, 1076, 1220, 1345, 1660, 2690, 5063, 5380, 10126, 16409, 20252, 22327, 25315, 32818, 44654, 50630, 65636, 82045, 89308, 101260, 111635, 164090, 223270, 328180, 446540, 1361947, 2723894, 5447788, 6809735, 13619470, 27238940]

約数ペア:

[(1, 27238940), (2, 13619470), (4, 6809735), (5, 5447788), (10, 2723894), (20, 1361947), (61, 446540), (83, 328180), (122, 223270), (166, 164090), (244, 111635), (269, 101260), (305, 89308), (332, 82045), (415, 65636), (538, 50630), (610, 44654), (830, 32818), (1076, 25315), (1220, 22327), (1345, 20252), (1660, 16409), (2690, 10126), (5063, 5380)]