27220640

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2789}}^1$

素因数の和:2865

約数の個数: 48

約数和(自身を含む): 65386440

約数和(自身を除く): 38165800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 2789, 4880, 5578, 9760, 11156, 13945, 22312, 27890, 44624, 55780, 89248, 111560, 170129, 223120, 340258, 446240, 680516, 850645, 1361032, 1701290, 2722064, 3402580, 5444128, 6805160, 13610320, 27220640]

約数ペア:

[(1, 27220640), (2, 13610320), (4, 6805160), (5, 5444128), (8, 3402580), (10, 2722064), (16, 1701290), (20, 1361032), (32, 850645), (40, 680516), (61, 446240), (80, 340258), (122, 223120), (160, 170129), (244, 111560), (305, 89248), (488, 55780), (610, 44624), (976, 27890), (1220, 22312), (1952, 13945), (2440, 11156), (2789, 9760), (4880, 5578)]