2478320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2383}}^1$

素因数の和:2409

約数の個数: 40

約数和(自身を含む): 6207936

約数和(自身を除く): 3729616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2383, 4766, 9532, 11915, 19064, 23830, 30979, 38128, 47660, 61958, 95320, 123916, 154895, 190640, 247832, 309790, 495664, 619580, 1239160, 2478320]

約数ペア:

[(1, 2478320), (2, 1239160), (4, 619580), (5, 495664), (8, 309790), (10, 247832), (13, 190640), (16, 154895), (20, 123916), (26, 95320), (40, 61958), (52, 47660), (65, 38128), (80, 30979), (104, 23830), (130, 19064), (208, 11915), (260, 9532), (520, 4766), (1040, 2383)]