78468130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19471}}^1$

素因数の和:19522

約数の個数: 32

約数和(自身を含む): 157022208

約数和(自身を除く): 78554078

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 19471, 38942, 97355, 194710, 253123, 506246, 603601, 1207202, 1265615, 2531230, 3018005, 6036010, 7846813, 15693626, 39234065, 78468130]

約数ペア:

[(1, 78468130), (2, 39234065), (5, 15693626), (10, 7846813), (13, 6036010), (26, 3018005), (31, 2531230), (62, 1265615), (65, 1207202), (130, 603601), (155, 506246), (310, 253123), (403, 194710), (806, 97355), (2015, 38942), (4030, 19471)]