19403670280

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2063}}^1\times {\mathrm{2833}}^1$

素因数の和:4990

約数の個数: 64

約数和(自身を含む): 44221282560

約数和(自身を除く): 24817612280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 2063, 2833, 3320, 4126, 5666, 8252, 10315, 11332, 14165, 16504, 20630, 22664, 28330, 41260, 56660, 82520, 113320, 171229, 235139, 342458, 470278, 684916, 856145, 940556, 1175695, 1369832, 1712290, 1881112, 2351390, 3424580, 4702780, 5844479, 6849160, 9405560, 11688958, 23377916, 29222395, 46755832, 58444790, 116889580, 233779160, 485091757, 970183514, 1940367028, 2425458785, 3880734056, 4850917570, 9701835140, 19403670280]

約数ペア:

[(1, 19403670280), (2, 9701835140), (4, 4850917570), (5, 3880734056), (8, 2425458785), (10, 1940367028), (20, 970183514), (40, 485091757), (83, 233779160), (166, 116889580), (332, 58444790), (415, 46755832), (664, 29222395), (830, 23377916), (1660, 11688958), (2063, 9405560), (2833, 6849160), (3320, 5844479), (4126, 4702780), (5666, 3424580), (8252, 2351390), (10315, 1881112), (11332, 1712290), (14165, 1369832), (16504, 1175695), (20630, 940556), (22664, 856145), (28330, 684916), (41260, 470278), (56660, 342458), (82520, 235139), (113320, 171229)]