8265140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 18966528

約数和(自身を除く): 10701388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 383, 415, 766, 830, 1079, 1532, 1660, 1915, 2158, 3830, 4316, 4979, 5395, 7660, 9958, 10790, 19916, 21580, 24895, 31789, 49790, 63578, 99580, 127156, 158945, 317890, 413257, 635780, 826514, 1653028, 2066285, 4132570, 8265140]

約数ペア:

[(1, 8265140), (2, 4132570), (4, 2066285), (5, 1653028), (10, 826514), (13, 635780), (20, 413257), (26, 317890), (52, 158945), (65, 127156), (83, 99580), (130, 63578), (166, 49790), (260, 31789), (332, 24895), (383, 21580), (415, 19916), (766, 10790), (830, 9958), (1079, 7660), (1532, 5395), (1660, 4979), (1915, 4316), (2158, 3830)]