74790147280

素因数分解:

$2^4\times 5^1\times {\mathrm{4547}}^1\times {\mathrm{205603}}^1$

素因数の和:210163

約数の個数: 40

約数和(自身を含む): 173926180512

約数和(自身を除く): 99136033232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4547, 9094, 18188, 22735, 36376, 45470, 72752, 90940, 181880, 205603, 363760, 411206, 822412, 1028015, 1644824, 2056030, 3289648, 4112060, 8224120, 16448240, 934876841, 1869753682, 3739507364, 4674384205, 7479014728, 9348768410, 14958029456, 18697536820, 37395073640, 74790147280]

約数ペア:

[(1, 74790147280), (2, 37395073640), (4, 18697536820), (5, 14958029456), (8, 9348768410), (10, 7479014728), (16, 4674384205), (20, 3739507364), (40, 1869753682), (80, 934876841), (4547, 16448240), (9094, 8224120), (18188, 4112060), (22735, 3289648), (36376, 2056030), (45470, 1644824), (72752, 1028015), (90940, 822412), (181880, 411206), (205603, 363760)]