40890550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:134

約数の個数: 72

約数和(自身を含む): 84222288

約数和(自身を除く): 43331738

約数列:

[1, 2, 5, 10, 23, 25, 31, 37, 46, 50, 62, 74, 115, 155, 185, 230, 310, 370, 575, 713, 775, 851, 925, 961, 1147, 1150, 1426, 1550, 1702, 1850, 1922, 2294, 3565, 4255, 4805, 5735, 7130, 8510, 9610, 11470, 17825, 21275, 22103, 24025, 26381, 28675, 35557, 35650, 42550, 44206, 48050, 52762, 57350, 71114, 110515, 131905, 177785, 221030, 263810, 355570, 552575, 659525, 817811, 888925, 1105150, 1319050, 1635622, 1777850, 4089055, 8178110, 20445275, 40890550]

約数ペア:

[(1, 40890550), (2, 20445275), (5, 8178110), (10, 4089055), (23, 1777850), (25, 1635622), (31, 1319050), (37, 1105150), (46, 888925), (50, 817811), (62, 659525), (74, 552575), (115, 355570), (155, 263810), (185, 221030), (230, 177785), (310, 131905), (370, 110515), (575, 71114), (713, 57350), (775, 52762), (851, 48050), (925, 44206), (961, 42550), (1147, 35650), (1150, 35557), (1426, 28675), (1550, 26381), (1702, 24025), (1850, 22103), (1922, 21275), (2294, 17825), (3565, 11470), (4255, 9610), (4805, 8510), (5735, 7130)]