27768100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{3911}}^1$

素因数の和:3996

約数の個数: 36

約数和(自身を含む): 61121088

約数和(自身を除く): 33352988

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 3911, 7100, 7822, 15644, 19555, 39110, 78220, 97775, 195550, 277681, 391100, 555362, 1110724, 1388405, 2776810, 5553620, 6942025, 13884050, 27768100]

約数ペア:

[(1, 27768100), (2, 13884050), (4, 6942025), (5, 5553620), (10, 2776810), (20, 1388405), (25, 1110724), (50, 555362), (71, 391100), (100, 277681), (142, 195550), (284, 97775), (355, 78220), (710, 39110), (1420, 19555), (1775, 15644), (3550, 7822), (3911, 7100)]