15888914020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{866353}}^1$

素因数の和:866500

約数の個数: 48

約数和(自身を含む): 38424532608

約数和(自身を除く): 22535618588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 9170, 18340, 866353, 1732706, 3465412, 4331765, 6064471, 8663530, 12128942, 17327060, 24257884, 30322355, 60644710, 113492243, 121289420, 226984486, 453968972, 567461215, 794445701, 1134922430, 1588891402, 2269844860, 3177782804, 3972228505, 7944457010, 15888914020]

約数ペア:

[(1, 15888914020), (2, 7944457010), (4, 3972228505), (5, 3177782804), (7, 2269844860), (10, 1588891402), (14, 1134922430), (20, 794445701), (28, 567461215), (35, 453968972), (70, 226984486), (131, 121289420), (140, 113492243), (262, 60644710), (524, 30322355), (655, 24257884), (917, 17327060), (1310, 12128942), (1834, 8663530), (2620, 6064471), (3668, 4331765), (4585, 3465412), (9170, 1732706), (18340, 866353)]