40888900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 97118784

約数和(自身を除く): 56229884

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 100, 130, 142, 260, 284, 325, 355, 443, 650, 710, 886, 923, 1300, 1420, 1772, 1775, 1846, 2215, 3550, 3692, 4430, 4615, 5759, 7100, 8860, 9230, 11075, 11518, 18460, 22150, 23036, 23075, 28795, 31453, 44300, 46150, 57590, 62906, 92300, 115180, 125812, 143975, 157265, 287950, 314530, 408889, 575900, 629060, 786325, 817778, 1572650, 1635556, 2044445, 3145300, 4088890, 8177780, 10222225, 20444450, 40888900]

約数ペア:

[(1, 40888900), (2, 20444450), (4, 10222225), (5, 8177780), (10, 4088890), (13, 3145300), (20, 2044445), (25, 1635556), (26, 1572650), (50, 817778), (52, 786325), (65, 629060), (71, 575900), (100, 408889), (130, 314530), (142, 287950), (260, 157265), (284, 143975), (325, 125812), (355, 115180), (443, 92300), (650, 62906), (710, 57590), (886, 46150), (923, 44300), (1300, 31453), (1420, 28795), (1772, 23075), (1775, 23036), (1846, 22150), (2215, 18460), (3550, 11518), (3692, 11075), (4430, 9230), (4615, 8860), (5759, 7100)]