74527280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13121}}^1$

素因数の和:13205

約数の個数: 40

約数和(自身を含む): 175729824

約数和(自身を除く): 101202544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 13121, 26242, 52484, 65605, 104968, 131210, 209936, 262420, 524840, 931591, 1049680, 1863182, 3726364, 4657955, 7452728, 9315910, 14905456, 18631820, 37263640, 74527280]

約数ペア:

[(1, 74527280), (2, 37263640), (4, 18631820), (5, 14905456), (8, 9315910), (10, 7452728), (16, 4657955), (20, 3726364), (40, 1863182), (71, 1049680), (80, 931591), (142, 524840), (284, 262420), (355, 209936), (568, 131210), (710, 104968), (1136, 65605), (1420, 52484), (2840, 26242), (5680, 13121)]