1555698820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{31327}}^1$

素因数の和:31540

約数の個数: 48

約数和(自身を含む): 3536805888

約数和(自身を除く): 1981107068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 764, 955, 1910, 2483, 3820, 4966, 9932, 12415, 24830, 31327, 49660, 62654, 125308, 156635, 313270, 407251, 626540, 814502, 1629004, 2036255, 4072510, 5983457, 8145020, 11966914, 23933828, 29917285, 59834570, 77784941, 119669140, 155569882, 311139764, 388924705, 777849410, 1555698820]

約数ペア:

[(1, 1555698820), (2, 777849410), (4, 388924705), (5, 311139764), (10, 155569882), (13, 119669140), (20, 77784941), (26, 59834570), (52, 29917285), (65, 23933828), (130, 11966914), (191, 8145020), (260, 5983457), (382, 4072510), (764, 2036255), (955, 1629004), (1910, 814502), (2483, 626540), (3820, 407251), (4966, 313270), (9932, 156635), (12415, 125308), (24830, 62654), (31327, 49660)]