72423130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17971}}^1$

素因数の和:18022

約数の個数: 32

約数和(自身を含む): 144926208

約数和(自身を除く): 72503078

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 17971, 35942, 89855, 179710, 233623, 467246, 557101, 1114202, 1168115, 2336230, 2785505, 5571010, 7242313, 14484626, 36211565, 72423130]

約数ペア:

[(1, 72423130), (2, 36211565), (5, 14484626), (10, 7242313), (13, 5571010), (26, 2785505), (31, 2336230), (62, 1168115), (65, 1114202), (130, 557101), (155, 467246), (310, 233623), (403, 179710), (806, 89855), (2015, 35942), (4030, 17971)]