16280890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1878

約数の個数: 32

約数和(自身を含む): 31311360

約数和(自身を除く): 15030470

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 1811, 3622, 4495, 8990, 9055, 18110, 52519, 56141, 105038, 112282, 262595, 280705, 525190, 561410, 1628089, 3256178, 8140445, 16280890]

約数ペア:

[(1, 16280890), (2, 8140445), (5, 3256178), (10, 1628089), (29, 561410), (31, 525190), (58, 280705), (62, 262595), (145, 112282), (155, 105038), (290, 56141), (310, 52519), (899, 18110), (1798, 9055), (1811, 8990), (3622, 4495)]