2776720

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 6573240

約数和(自身を除く): 3796520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 569, 610, 976, 1138, 1220, 2276, 2440, 2845, 4552, 4880, 5690, 9104, 11380, 22760, 34709, 45520, 69418, 138836, 173545, 277672, 347090, 555344, 694180, 1388360, 2776720]

約数ペア:

[(1, 2776720), (2, 1388360), (4, 694180), (5, 555344), (8, 347090), (10, 277672), (16, 173545), (20, 138836), (40, 69418), (61, 45520), (80, 34709), (122, 22760), (244, 11380), (305, 9104), (488, 5690), (569, 4880), (610, 4552), (976, 2845), (1138, 2440), (1220, 2276)]