39470440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 92736000

約数和(自身を除く): 53265560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 229, 248, 278, 310, 458, 556, 620, 695, 916, 1112, 1145, 1240, 1390, 1832, 2290, 2780, 4309, 4580, 5560, 7099, 8618, 9160, 14198, 17236, 21545, 28396, 31831, 34472, 35495, 43090, 56792, 63662, 70990, 86180, 127324, 141980, 159155, 172360, 254648, 283960, 318310, 636620, 986761, 1273240, 1973522, 3947044, 4933805, 7894088, 9867610, 19735220, 39470440]

約数ペア:

[(1, 39470440), (2, 19735220), (4, 9867610), (5, 7894088), (8, 4933805), (10, 3947044), (20, 1973522), (31, 1273240), (40, 986761), (62, 636620), (124, 318310), (139, 283960), (155, 254648), (229, 172360), (248, 159155), (278, 141980), (310, 127324), (458, 86180), (556, 70990), (620, 63662), (695, 56792), (916, 43090), (1112, 35495), (1145, 34472), (1240, 31831), (1390, 28396), (1832, 21545), (2290, 17236), (2780, 14198), (4309, 9160), (4580, 8618), (5560, 7099)]