108784780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{83}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 252541296

約数和(自身を除く): 143756516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 83, 130, 142, 166, 260, 284, 332, 355, 415, 710, 830, 923, 1079, 1420, 1660, 1846, 2158, 3692, 4316, 4615, 5041, 5395, 5893, 9230, 10082, 10790, 11786, 18460, 20164, 21580, 23572, 25205, 29465, 50410, 58930, 65533, 76609, 100820, 117860, 131066, 153218, 262132, 306436, 327665, 383045, 418403, 655330, 766090, 836806, 1310660, 1532180, 1673612, 2092015, 4184030, 5439239, 8368060, 10878478, 21756956, 27196195, 54392390, 108784780]

約数ペア:

[(1, 108784780), (2, 54392390), (4, 27196195), (5, 21756956), (10, 10878478), (13, 8368060), (20, 5439239), (26, 4184030), (52, 2092015), (65, 1673612), (71, 1532180), (83, 1310660), (130, 836806), (142, 766090), (166, 655330), (260, 418403), (284, 383045), (332, 327665), (355, 306436), (415, 262132), (710, 153218), (830, 131066), (923, 117860), (1079, 100820), (1420, 76609), (1660, 65533), (1846, 58930), (2158, 50410), (3692, 29465), (4316, 25205), (4615, 23572), (5041, 21580), (5395, 20164), (5893, 18460), (9230, 11786), (10082, 10790)]