12465440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{461}}^1$

素因数の和:502

約数の個数: 72

約数和(自身を含む): 31958388

約数和(自身を除く): 19492948

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 461, 520, 676, 845, 922, 1040, 1352, 1690, 1844, 2080, 2305, 2704, 3380, 3688, 4610, 5408, 5993, 6760, 7376, 9220, 11986, 13520, 14752, 18440, 23972, 27040, 29965, 36880, 47944, 59930, 73760, 77909, 95888, 119860, 155818, 191776, 239720, 311636, 389545, 479440, 623272, 779090, 958880, 1246544, 1558180, 2493088, 3116360, 6232720, 12465440]

約数ペア:

[(1, 12465440), (2, 6232720), (4, 3116360), (5, 2493088), (8, 1558180), (10, 1246544), (13, 958880), (16, 779090), (20, 623272), (26, 479440), (32, 389545), (40, 311636), (52, 239720), (65, 191776), (80, 155818), (104, 119860), (130, 95888), (160, 77909), (169, 73760), (208, 59930), (260, 47944), (338, 36880), (416, 29965), (461, 27040), (520, 23972), (676, 18440), (845, 14752), (922, 13520), (1040, 11986), (1352, 9220), (1690, 7376), (1844, 6760), (2080, 5993), (2305, 5408), (2704, 4610), (3380, 3688)]