1005437680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{1787}}^1$

素因数の和:2354

約数の個数: 80

約数和(自身を含む): 2523525984

約数和(自身を除く): 1518088304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 541, 1040, 1082, 1787, 2164, 2705, 3574, 4328, 5410, 7033, 7148, 8656, 8935, 10820, 14066, 14296, 17870, 21640, 23231, 28132, 28592, 35165, 35740, 43280, 46462, 56264, 70330, 71480, 92924, 112528, 116155, 140660, 142960, 185848, 232310, 281320, 371696, 464620, 562640, 929240, 966767, 1858480, 1933534, 3867068, 4833835, 7734136, 9667670, 12567971, 15468272, 19335340, 25135942, 38670680, 50271884, 62839855, 77341360, 100543768, 125679710, 201087536, 251359420, 502718840, 1005437680]

約数ペア:

[(1, 1005437680), (2, 502718840), (4, 251359420), (5, 201087536), (8, 125679710), (10, 100543768), (13, 77341360), (16, 62839855), (20, 50271884), (26, 38670680), (40, 25135942), (52, 19335340), (65, 15468272), (80, 12567971), (104, 9667670), (130, 7734136), (208, 4833835), (260, 3867068), (520, 1933534), (541, 1858480), (1040, 966767), (1082, 929240), (1787, 562640), (2164, 464620), (2705, 371696), (3574, 281320), (4328, 232310), (5410, 185848), (7033, 142960), (7148, 140660), (8656, 116155), (8935, 112528), (10820, 92924), (14066, 71480), (14296, 70330), (17870, 56264), (21640, 46462), (23231, 43280), (28132, 35740), (28592, 35165)]