17984240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5483}}^1$

素因数の和:5537

約数の個数: 40

約数和(自身を含む): 42841008

約数和(自身を除く): 24856768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5483, 10966, 21932, 27415, 43864, 54830, 87728, 109660, 219320, 224803, 438640, 449606, 899212, 1124015, 1798424, 2248030, 3596848, 4496060, 8992120, 17984240]

約数ペア:

[(1, 17984240), (2, 8992120), (4, 4496060), (5, 3596848), (8, 2248030), (10, 1798424), (16, 1124015), (20, 899212), (40, 449606), (41, 438640), (80, 224803), (82, 219320), (164, 109660), (205, 87728), (328, 54830), (410, 43864), (656, 27415), (820, 21932), (1640, 10966), (3280, 5483)]