25406010320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10244359}}^1$

素因数の和:10244403

約数の個数: 40

約数和(自身を含む): 60974430720

約数和(自身を除く): 35568420400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 10244359, 20488718, 40977436, 51221795, 81954872, 102443590, 163909744, 204887180, 317575129, 409774360, 635150258, 819548720, 1270300516, 1587875645, 2540601032, 3175751290, 5081202064, 6351502580, 12703005160, 25406010320]

約数ペア:

[(1, 25406010320), (2, 12703005160), (4, 6351502580), (5, 5081202064), (8, 3175751290), (10, 2540601032), (16, 1587875645), (20, 1270300516), (31, 819548720), (40, 635150258), (62, 409774360), (80, 317575129), (124, 204887180), (155, 163909744), (248, 102443590), (310, 81954872), (496, 51221795), (620, 40977436), (1240, 20488718), (2480, 10244359)]