16605940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^3$

素因数の和:86

約数の個数: 72

約数和(自身を含む): 40120920

約数和(自身を除く): 23514980

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 289, 338, 340, 442, 578, 676, 845, 884, 1105, 1156, 1445, 1690, 2210, 2873, 2890, 3380, 3757, 4420, 4913, 5746, 5780, 7514, 9826, 11492, 14365, 15028, 18785, 19652, 24565, 28730, 37570, 48841, 49130, 57460, 63869, 75140, 97682, 98260, 127738, 195364, 244205, 255476, 319345, 488410, 638690, 830297, 976820, 1277380, 1660594, 3321188, 4151485, 8302970, 16605940]

約数ペア:

[(1, 16605940), (2, 8302970), (4, 4151485), (5, 3321188), (10, 1660594), (13, 1277380), (17, 976820), (20, 830297), (26, 638690), (34, 488410), (52, 319345), (65, 255476), (68, 244205), (85, 195364), (130, 127738), (169, 98260), (170, 97682), (221, 75140), (260, 63869), (289, 57460), (338, 49130), (340, 48841), (442, 37570), (578, 28730), (676, 24565), (845, 19652), (884, 18785), (1105, 15028), (1156, 14365), (1445, 11492), (1690, 9826), (2210, 7514), (2873, 5780), (2890, 5746), (3380, 4913), (3757, 4420)]