26321940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{569}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 80294760

約数和(自身を除く): 53972820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 569, 771, 1028, 1138, 1285, 1542, 1707, 2276, 2313, 2570, 2845, 3084, 3414, 3855, 4626, 5121, 5140, 5690, 6828, 7710, 8535, 9252, 10242, 11380, 11565, 15420, 17070, 20484, 23130, 25605, 34140, 46260, 51210, 102420, 146233, 292466, 438699, 584932, 731165, 877398, 1316097, 1462330, 1754796, 2193495, 2632194, 2924660, 4386990, 5264388, 6580485, 8773980, 13160970, 26321940]

約数ペア:

[(1, 26321940), (2, 13160970), (3, 8773980), (4, 6580485), (5, 5264388), (6, 4386990), (9, 2924660), (10, 2632194), (12, 2193495), (15, 1754796), (18, 1462330), (20, 1316097), (30, 877398), (36, 731165), (45, 584932), (60, 438699), (90, 292466), (180, 146233), (257, 102420), (514, 51210), (569, 46260), (771, 34140), (1028, 25605), (1138, 23130), (1285, 20484), (1542, 17070), (1707, 15420), (2276, 11565), (2313, 11380), (2570, 10242), (2845, 9252), (3084, 8535), (3414, 7710), (3855, 6828), (4626, 5690), (5121, 5140)]