29919760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2213}}^1$

素因数の和:2252

約数の個数: 60

約数和(自身を含む): 75360132

約数和(自身を除く): 45440372

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2213, 2704, 3380, 4426, 6760, 8852, 11065, 13520, 17704, 22130, 28769, 35408, 44260, 57538, 88520, 115076, 143845, 177040, 230152, 287690, 373997, 460304, 575380, 747994, 1150760, 1495988, 1869985, 2301520, 2991976, 3739970, 5983952, 7479940, 14959880, 29919760]

約数ペア:

[(1, 29919760), (2, 14959880), (4, 7479940), (5, 5983952), (8, 3739970), (10, 2991976), (13, 2301520), (16, 1869985), (20, 1495988), (26, 1150760), (40, 747994), (52, 575380), (65, 460304), (80, 373997), (104, 287690), (130, 230152), (169, 177040), (208, 143845), (260, 115076), (338, 88520), (520, 57538), (676, 44260), (845, 35408), (1040, 28769), (1352, 22130), (1690, 17704), (2213, 13520), (2704, 11065), (3380, 8852), (4426, 6760)]