55587890

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 102375360

約数和(自身を除く): 46787470

約数列:

[1, 2, 5, 10, 67, 134, 163, 326, 335, 509, 670, 815, 1018, 1630, 2545, 5090, 10921, 21842, 34103, 54605, 68206, 82967, 109210, 165934, 170515, 341030, 414835, 829670, 5558789, 11117578, 27793945, 55587890]

約数ペア:

[(1, 55587890), (2, 27793945), (5, 11117578), (10, 5558789), (67, 829670), (134, 414835), (163, 341030), (326, 170515), (335, 165934), (509, 109210), (670, 82967), (815, 68206), (1018, 54605), (1630, 34103), (2545, 21842), (5090, 10921)]