99351920

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20359}}^1$

素因数の和:20433

約数の個数: 40

約数和(自身を含む): 234791520

約数和(自身を除く): 135439600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 20359, 40718, 81436, 101795, 162872, 203590, 325744, 407180, 814360, 1241899, 1628720, 2483798, 4967596, 6209495, 9935192, 12418990, 19870384, 24837980, 49675960, 99351920]

約数ペア:

[(1, 99351920), (2, 49675960), (4, 24837980), (5, 19870384), (8, 12418990), (10, 9935192), (16, 6209495), (20, 4967596), (40, 2483798), (61, 1628720), (80, 1241899), (122, 814360), (244, 407180), (305, 325744), (488, 203590), (610, 162872), (976, 101795), (1220, 81436), (2440, 40718), (4880, 20359)]