25069720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1303}}^1$

素因数の和:1364

約数の個数: 64

約数和(自身を含む): 62435520

約数和(自身を除く): 37365800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1303, 1480, 1924, 2405, 2606, 3848, 4810, 5212, 6515, 9620, 10424, 13030, 16939, 19240, 26060, 33878, 48211, 52120, 67756, 84695, 96422, 135512, 169390, 192844, 241055, 338780, 385688, 482110, 626743, 677560, 964220, 1253486, 1928440, 2506972, 3133715, 5013944, 6267430, 12534860, 25069720]

約数ペア:

[(1, 25069720), (2, 12534860), (4, 6267430), (5, 5013944), (8, 3133715), (10, 2506972), (13, 1928440), (20, 1253486), (26, 964220), (37, 677560), (40, 626743), (52, 482110), (65, 385688), (74, 338780), (104, 241055), (130, 192844), (148, 169390), (185, 135512), (260, 96422), (296, 84695), (370, 67756), (481, 52120), (520, 48211), (740, 33878), (962, 26060), (1303, 19240), (1480, 16939), (1924, 13030), (2405, 10424), (2606, 9620), (3848, 6515), (4810, 5212)]