13789940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 30227904

約数和(自身を除く): 16437964

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 251, 268, 335, 410, 502, 670, 820, 1004, 1255, 1340, 2510, 2747, 5020, 5494, 10291, 10988, 13735, 16817, 20582, 27470, 33634, 41164, 51455, 54940, 67268, 84085, 102910, 168170, 205820, 336340, 689497, 1378994, 2757988, 3447485, 6894970, 13789940]

約数ペア:

[(1, 13789940), (2, 6894970), (4, 3447485), (5, 2757988), (10, 1378994), (20, 689497), (41, 336340), (67, 205820), (82, 168170), (134, 102910), (164, 84085), (205, 67268), (251, 54940), (268, 51455), (335, 41164), (410, 33634), (502, 27470), (670, 20582), (820, 16817), (1004, 13735), (1255, 10988), (1340, 10291), (2510, 5494), (2747, 5020)]