25298480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^2$

素因数の和:246

約数の個数: 60

約数和(自身を含む): 61323456

約数和(自身を除く): 36024976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 101, 124, 155, 202, 248, 310, 404, 496, 505, 620, 808, 1010, 1240, 1616, 2020, 2480, 3131, 4040, 6262, 8080, 10201, 12524, 15655, 20402, 25048, 31310, 40804, 50096, 51005, 62620, 81608, 102010, 125240, 163216, 204020, 250480, 316231, 408040, 632462, 816080, 1264924, 1581155, 2529848, 3162310, 5059696, 6324620, 12649240, 25298480]

約数ペア:

[(1, 25298480), (2, 12649240), (4, 6324620), (5, 5059696), (8, 3162310), (10, 2529848), (16, 1581155), (20, 1264924), (31, 816080), (40, 632462), (62, 408040), (80, 316231), (101, 250480), (124, 204020), (155, 163216), (202, 125240), (248, 102010), (310, 81608), (404, 62620), (496, 51005), (505, 50096), (620, 40804), (808, 31310), (1010, 25048), (1240, 20402), (1616, 15655), (2020, 12524), (2480, 10201), (3131, 8080), (4040, 6262)]