25276940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{509}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 32300020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 509, 764, 955, 1018, 1910, 2036, 2483, 2545, 3820, 4966, 5090, 6617, 9932, 10180, 12415, 13234, 24830, 26468, 33085, 49660, 66170, 97219, 132340, 194438, 388876, 486095, 972190, 1263847, 1944380, 2527694, 5055388, 6319235, 12638470, 25276940]

約数ペア:

[(1, 25276940), (2, 12638470), (4, 6319235), (5, 5055388), (10, 2527694), (13, 1944380), (20, 1263847), (26, 972190), (52, 486095), (65, 388876), (130, 194438), (191, 132340), (260, 97219), (382, 66170), (509, 49660), (764, 33085), (955, 26468), (1018, 24830), (1910, 13234), (2036, 12415), (2483, 10180), (2545, 9932), (3820, 6617), (4966, 5090)]