25306580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{743}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 57746304

約数和(自身を除く): 32439724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 743, 1310, 1486, 1703, 2620, 2972, 3406, 3715, 6812, 7430, 8515, 9659, 14860, 17030, 19318, 34060, 38636, 48295, 96590, 97333, 193180, 194666, 389332, 486665, 973330, 1265329, 1946660, 2530658, 5061316, 6326645, 12653290, 25306580]

約数ペア:

[(1, 25306580), (2, 12653290), (4, 6326645), (5, 5061316), (10, 2530658), (13, 1946660), (20, 1265329), (26, 973330), (52, 486665), (65, 389332), (130, 194666), (131, 193180), (260, 97333), (262, 96590), (524, 48295), (655, 38636), (743, 34060), (1310, 19318), (1486, 17030), (1703, 14860), (2620, 9659), (2972, 8515), (3406, 7430), (3715, 6812)]