40038050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2043

約数の個数: 48

約数和(自身を含む): 82828032

約数和(自身を除く): 42789982

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 1987, 2015, 3974, 4030, 9935, 10075, 19870, 20150, 25831, 49675, 51662, 61597, 99350, 123194, 129155, 258310, 307985, 615970, 645775, 800761, 1291550, 1539925, 1601522, 3079850, 4003805, 8007610, 20019025, 40038050]

約数ペア:

[(1, 40038050), (2, 20019025), (5, 8007610), (10, 4003805), (13, 3079850), (25, 1601522), (26, 1539925), (31, 1291550), (50, 800761), (62, 645775), (65, 615970), (130, 307985), (155, 258310), (310, 129155), (325, 123194), (403, 99350), (650, 61597), (775, 51662), (806, 49675), (1550, 25831), (1987, 20150), (2015, 19870), (3974, 10075), (4030, 9935)]