847840240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{815231}}^1$

素因数の和:815257

約数の個数: 40

約数和(自身を含む): 2122864128

約数和(自身を除く): 1275023888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 815231, 1630462, 3260924, 4076155, 6521848, 8152310, 10598003, 13043696, 16304620, 21196006, 32609240, 42392012, 52990015, 65218480, 84784024, 105980030, 169568048, 211960060, 423920120, 847840240]

約数ペア:

[(1, 847840240), (2, 423920120), (4, 211960060), (5, 169568048), (8, 105980030), (10, 84784024), (13, 65218480), (16, 52990015), (20, 42392012), (26, 32609240), (40, 21196006), (52, 16304620), (65, 13043696), (80, 10598003), (104, 8152310), (130, 6521848), (208, 4076155), (260, 3260924), (520, 1630462), (1040, 815231)]