71693960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137873}}^1$

素因数の和:137897

約数の個数: 32

約数和(自身を含む): 173721240

約数和(自身を除く): 102027280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137873, 275746, 551492, 689365, 1102984, 1378730, 1792349, 2757460, 3584698, 5514920, 7169396, 8961745, 14338792, 17923490, 35846980, 71693960]

約数ペア:

[(1, 71693960), (2, 35846980), (4, 17923490), (5, 14338792), (8, 8961745), (10, 7169396), (13, 5514920), (20, 3584698), (26, 2757460), (40, 1792349), (52, 1378730), (65, 1102984), (104, 689365), (130, 551492), (260, 275746), (520, 137873)]