25553580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^2$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 77481936

約数和(自身を除く): 51928356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 181, 195, 260, 362, 390, 543, 724, 780, 905, 1086, 1810, 2172, 2353, 2715, 3620, 4706, 5430, 7059, 9412, 10860, 11765, 14118, 23530, 28236, 32761, 35295, 47060, 65522, 70590, 98283, 131044, 141180, 163805, 196566, 327610, 393132, 425893, 491415, 655220, 851786, 982830, 1277679, 1703572, 1965660, 2129465, 2555358, 4258930, 5110716, 6388395, 8517860, 12776790, 25553580]

約数ペア:

[(1, 25553580), (2, 12776790), (3, 8517860), (4, 6388395), (5, 5110716), (6, 4258930), (10, 2555358), (12, 2129465), (13, 1965660), (15, 1703572), (20, 1277679), (26, 982830), (30, 851786), (39, 655220), (52, 491415), (60, 425893), (65, 393132), (78, 327610), (130, 196566), (156, 163805), (181, 141180), (195, 131044), (260, 98283), (362, 70590), (390, 65522), (543, 47060), (724, 35295), (780, 32761), (905, 28236), (1086, 23530), (1810, 14118), (2172, 11765), (2353, 10860), (2715, 9412), (3620, 7059), (4706, 5430)]