20160933328

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{81457}}^1$

素因数の和:81995

約数の個数: 40

約数和(自身を含む): 40403168000

約数和(自身を除く): 20242234672

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 499, 998, 1996, 3992, 7984, 15469, 30938, 61876, 81457, 123752, 162914, 247504, 325828, 651656, 1303312, 2525167, 5050334, 10100668, 20201336, 40402672, 40647043, 81294086, 162588172, 325176344, 650352688, 1260058333, 2520116666, 5040233332, 10080466664, 20160933328]

約数ペア:

[(1, 20160933328), (2, 10080466664), (4, 5040233332), (8, 2520116666), (16, 1260058333), (31, 650352688), (62, 325176344), (124, 162588172), (248, 81294086), (496, 40647043), (499, 40402672), (998, 20201336), (1996, 10100668), (3992, 5050334), (7984, 2525167), (15469, 1303312), (30938, 651656), (61876, 325828), (81457, 247504), (123752, 162914)]