40257220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2239}}^1$

素因数の和:2308

約数の個数: 48

約数和(自身を含む): 90316800

約数和(自身を除く): 50059580

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 2239, 3596, 4478, 4495, 8956, 8990, 11195, 17980, 22390, 44780, 64931, 69409, 129862, 138818, 259724, 277636, 324655, 347045, 649310, 694090, 1298620, 1388180, 2012861, 4025722, 8051444, 10064305, 20128610, 40257220]

約数ペア:

[(1, 40257220), (2, 20128610), (4, 10064305), (5, 8051444), (10, 4025722), (20, 2012861), (29, 1388180), (31, 1298620), (58, 694090), (62, 649310), (116, 347045), (124, 324655), (145, 277636), (155, 259724), (290, 138818), (310, 129862), (580, 69409), (620, 64931), (899, 44780), (1798, 22390), (2239, 17980), (3596, 11195), (4478, 8990), (4495, 8956)]