2454640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:577

約数の個数: 40

約数和(自身を含む): 5812128

約数和(自身を除く): 3357488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 503, 610, 976, 1006, 1220, 2012, 2440, 2515, 4024, 4880, 5030, 8048, 10060, 20120, 30683, 40240, 61366, 122732, 153415, 245464, 306830, 490928, 613660, 1227320, 2454640]

約数ペア:

[(1, 2454640), (2, 1227320), (4, 613660), (5, 490928), (8, 306830), (10, 245464), (16, 153415), (20, 122732), (40, 61366), (61, 40240), (80, 30683), (122, 20120), (244, 10060), (305, 8048), (488, 5030), (503, 4880), (610, 4024), (976, 2515), (1006, 2440), (1220, 2012)]