20110750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 42052608

約数和(自身を除く): 21941858

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 103, 110, 125, 142, 206, 250, 275, 355, 515, 550, 710, 781, 1030, 1133, 1375, 1562, 1775, 2266, 2575, 2750, 3550, 3905, 5150, 5665, 7313, 7810, 8875, 11330, 12875, 14626, 17750, 19525, 25750, 28325, 36565, 39050, 56650, 73130, 80443, 97625, 141625, 160886, 182825, 195250, 283250, 365650, 402215, 804430, 914125, 1828250, 2011075, 4022150, 10055375, 20110750]

約数ペア:

[(1, 20110750), (2, 10055375), (5, 4022150), (10, 2011075), (11, 1828250), (22, 914125), (25, 804430), (50, 402215), (55, 365650), (71, 283250), (103, 195250), (110, 182825), (125, 160886), (142, 141625), (206, 97625), (250, 80443), (275, 73130), (355, 56650), (515, 39050), (550, 36565), (710, 28325), (781, 25750), (1030, 19525), (1133, 17750), (1375, 14626), (1562, 12875), (1775, 11330), (2266, 8875), (2575, 7810), (2750, 7313), (3550, 5665), (3905, 5150)]