2644960

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 6374592

約数和(自身を除く): 3729632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 271, 305, 488, 542, 610, 976, 1084, 1220, 1355, 1952, 2168, 2440, 2710, 4336, 4880, 5420, 8672, 9760, 10840, 16531, 21680, 33062, 43360, 66124, 82655, 132248, 165310, 264496, 330620, 528992, 661240, 1322480, 2644960]

約数ペア:

[(1, 2644960), (2, 1322480), (4, 661240), (5, 528992), (8, 330620), (10, 264496), (16, 165310), (20, 132248), (32, 82655), (40, 66124), (61, 43360), (80, 33062), (122, 21680), (160, 16531), (244, 10840), (271, 9760), (305, 8672), (488, 5420), (542, 4880), (610, 4336), (976, 2710), (1084, 2440), (1220, 2168), (1355, 1952)]