216589040

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{44383}}^1$

素因数の和:44457

約数の個数: 40

約数和(自身を含む): 511836288

約数和(自身を除く): 295247248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 44383, 88766, 177532, 221915, 355064, 443830, 710128, 887660, 1775320, 2707363, 3550640, 5414726, 10829452, 13536815, 21658904, 27073630, 43317808, 54147260, 108294520, 216589040]

約数ペア:

[(1, 216589040), (2, 108294520), (4, 54147260), (5, 43317808), (8, 27073630), (10, 21658904), (16, 13536815), (20, 10829452), (40, 5414726), (61, 3550640), (80, 2707363), (122, 1775320), (244, 887660), (305, 710128), (488, 443830), (610, 355064), (976, 221915), (1220, 177532), (2440, 88766), (4880, 44383)]