53898640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 130616640

約数和(自身を除く): 76718000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 131, 139, 148, 185, 262, 278, 296, 370, 524, 556, 592, 655, 695, 740, 1048, 1112, 1310, 1390, 1480, 2096, 2224, 2620, 2780, 2960, 4847, 5143, 5240, 5560, 9694, 10286, 10480, 11120, 18209, 19388, 20572, 24235, 25715, 36418, 38776, 41144, 48470, 51430, 72836, 77552, 82288, 91045, 96940, 102860, 145672, 182090, 193880, 205720, 291344, 364180, 387760, 411440, 673733, 728360, 1347466, 1456720, 2694932, 3368665, 5389864, 6737330, 10779728, 13474660, 26949320, 53898640]

約数ペア:

[(1, 53898640), (2, 26949320), (4, 13474660), (5, 10779728), (8, 6737330), (10, 5389864), (16, 3368665), (20, 2694932), (37, 1456720), (40, 1347466), (74, 728360), (80, 673733), (131, 411440), (139, 387760), (148, 364180), (185, 291344), (262, 205720), (278, 193880), (296, 182090), (370, 145672), (524, 102860), (556, 96940), (592, 91045), (655, 82288), (695, 77552), (740, 72836), (1048, 51430), (1112, 48470), (1310, 41144), (1390, 38776), (1480, 36418), (2096, 25715), (2224, 24235), (2620, 20572), (2780, 19388), (2960, 18209), (4847, 11120), (5143, 10480), (5240, 10286), (5560, 9694)]