13037406980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{16139}}^1$

素因数の和:16413

約数の個数: 72

約数和(自身を含む): 29772489600

約数和(自身を除く): 16735082620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 239, 260, 338, 478, 676, 845, 956, 1195, 1690, 2390, 3107, 3380, 4780, 6214, 12428, 15535, 16139, 31070, 32278, 40391, 62140, 64556, 80695, 80782, 161390, 161564, 201955, 209807, 322780, 403910, 419614, 807820, 839228, 1049035, 2098070, 2727491, 3857221, 4196140, 5454982, 7714442, 10909964, 13637455, 15428884, 19286105, 27274910, 38572210, 50143873, 54549820, 77144420, 100287746, 200575492, 250719365, 501438730, 651870349, 1002877460, 1303740698, 2607481396, 3259351745, 6518703490, 13037406980]

約数ペア:

[(1, 13037406980), (2, 6518703490), (4, 3259351745), (5, 2607481396), (10, 1303740698), (13, 1002877460), (20, 651870349), (26, 501438730), (52, 250719365), (65, 200575492), (130, 100287746), (169, 77144420), (239, 54549820), (260, 50143873), (338, 38572210), (478, 27274910), (676, 19286105), (845, 15428884), (956, 13637455), (1195, 10909964), (1690, 7714442), (2390, 5454982), (3107, 4196140), (3380, 3857221), (4780, 2727491), (6214, 2098070), (12428, 1049035), (15535, 839228), (16139, 807820), (31070, 419614), (32278, 403910), (40391, 322780), (62140, 209807), (64556, 201955), (80695, 161564), (80782, 161390)]