64380320

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1907}}^1$

素因数の和:2133

約数の個数: 48

約数和(自身を含む): 152899488

約数和(自身を除く): 88519168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 844, 1055, 1688, 1907, 2110, 3376, 3814, 4220, 6752, 7628, 8440, 9535, 15256, 16880, 19070, 30512, 33760, 38140, 61024, 76280, 152560, 305120, 402377, 804754, 1609508, 2011885, 3219016, 4023770, 6438032, 8047540, 12876064, 16095080, 32190160, 64380320]

約数ペア:

[(1, 64380320), (2, 32190160), (4, 16095080), (5, 12876064), (8, 8047540), (10, 6438032), (16, 4023770), (20, 3219016), (32, 2011885), (40, 1609508), (80, 804754), (160, 402377), (211, 305120), (422, 152560), (844, 76280), (1055, 61024), (1688, 38140), (1907, 33760), (2110, 30512), (3376, 19070), (3814, 16880), (4220, 15256), (6752, 9535), (7628, 8440)]