31102240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:834

約数の個数: 96

約数和(自身を含む): 83401920

約数和(自身を除く): 52299680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 787, 988, 1040, 1235, 1520, 1574, 1976, 2080, 2470, 3040, 3148, 3935, 3952, 4940, 6296, 7870, 7904, 9880, 10231, 12592, 14953, 15740, 19760, 20462, 25184, 29906, 31480, 39520, 40924, 51155, 59812, 62960, 74765, 81848, 102310, 119624, 125920, 149530, 163696, 194389, 204620, 239248, 299060, 327392, 388778, 409240, 478496, 598120, 777556, 818480, 971945, 1196240, 1555112, 1636960, 1943890, 2392480, 3110224, 3887780, 6220448, 7775560, 15551120, 31102240]

約数ペア:

[(1, 31102240), (2, 15551120), (4, 7775560), (5, 6220448), (8, 3887780), (10, 3110224), (13, 2392480), (16, 1943890), (19, 1636960), (20, 1555112), (26, 1196240), (32, 971945), (38, 818480), (40, 777556), (52, 598120), (65, 478496), (76, 409240), (80, 388778), (95, 327392), (104, 299060), (130, 239248), (152, 204620), (160, 194389), (190, 163696), (208, 149530), (247, 125920), (260, 119624), (304, 102310), (380, 81848), (416, 74765), (494, 62960), (520, 59812), (608, 51155), (760, 40924), (787, 39520), (988, 31480), (1040, 29906), (1235, 25184), (1520, 20462), (1574, 19760), (1976, 15740), (2080, 14953), (2470, 12592), (3040, 10231), (3148, 9880), (3935, 7904), (3952, 7870), (4940, 6296)]