103676451920

素因数分解:

$2^4\times 5^1\times {\mathrm{19801}}^1\times {\mathrm{65449}}^1$

素因数の和:85263

約数の個数: 40

約数和(自身を含む): 241063607400

約数和(自身を除く): 137387155480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19801, 39602, 65449, 79204, 99005, 130898, 158408, 198010, 261796, 316816, 327245, 396020, 523592, 654490, 792040, 1047184, 1308980, 1584080, 2617960, 5235920, 1295955649, 2591911298, 5183822596, 6479778245, 10367645192, 12959556490, 20735290384, 25919112980, 51838225960, 103676451920]

約数ペア:

[(1, 103676451920), (2, 51838225960), (4, 25919112980), (5, 20735290384), (8, 12959556490), (10, 10367645192), (16, 6479778245), (20, 5183822596), (40, 2591911298), (80, 1295955649), (19801, 5235920), (39602, 2617960), (65449, 1584080), (79204, 1308980), (99005, 1047184), (130898, 792040), (158408, 654490), (198010, 523592), (261796, 396020), (316816, 327245)]