90250420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1109}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 204941520

約数和(自身を除く): 114691100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 313, 626, 1109, 1252, 1565, 2218, 3130, 4069, 4436, 5545, 6260, 8138, 11090, 14417, 16276, 20345, 22180, 28834, 40690, 57668, 72085, 81380, 144170, 288340, 347117, 694234, 1388468, 1735585, 3471170, 4512521, 6942340, 9025042, 18050084, 22562605, 45125210, 90250420]

約数ペア:

[(1, 90250420), (2, 45125210), (4, 22562605), (5, 18050084), (10, 9025042), (13, 6942340), (20, 4512521), (26, 3471170), (52, 1735585), (65, 1388468), (130, 694234), (260, 347117), (313, 288340), (626, 144170), (1109, 81380), (1252, 72085), (1565, 57668), (2218, 40690), (3130, 28834), (4069, 22180), (4436, 20345), (5545, 16276), (6260, 14417), (8138, 11090)]