40568080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 120

約数和(自身を含む): 111957120

約数和(自身を除く): 71389040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 131, 140, 158, 196, 245, 262, 280, 316, 392, 395, 490, 524, 553, 560, 632, 655, 784, 790, 917, 980, 1048, 1106, 1264, 1310, 1580, 1834, 1960, 2096, 2212, 2620, 2765, 3160, 3668, 3871, 3920, 4424, 4585, 5240, 5530, 6320, 6419, 7336, 7742, 8848, 9170, 10349, 10480, 11060, 12838, 14672, 15484, 18340, 19355, 20698, 22120, 25676, 30968, 32095, 36680, 38710, 41396, 44240, 51352, 51745, 61936, 64190, 72443, 73360, 77420, 82792, 102704, 103490, 128380, 144886, 154840, 165584, 206980, 256760, 289772, 309680, 362215, 413960, 507101, 513520, 579544, 724430, 827920, 1014202, 1159088, 1448860, 2028404, 2535505, 2897720, 4056808, 5071010, 5795440, 8113616, 10142020, 20284040, 40568080]

約数ペア:

[(1, 40568080), (2, 20284040), (4, 10142020), (5, 8113616), (7, 5795440), (8, 5071010), (10, 4056808), (14, 2897720), (16, 2535505), (20, 2028404), (28, 1448860), (35, 1159088), (40, 1014202), (49, 827920), (56, 724430), (70, 579544), (79, 513520), (80, 507101), (98, 413960), (112, 362215), (131, 309680), (140, 289772), (158, 256760), (196, 206980), (245, 165584), (262, 154840), (280, 144886), (316, 128380), (392, 103490), (395, 102704), (490, 82792), (524, 77420), (553, 73360), (560, 72443), (632, 64190), (655, 61936), (784, 51745), (790, 51352), (917, 44240), (980, 41396), (1048, 38710), (1106, 36680), (1264, 32095), (1310, 30968), (1580, 25676), (1834, 22120), (1960, 20698), (2096, 19355), (2212, 18340), (2620, 15484), (2765, 14672), (3160, 12838), (3668, 11060), (3871, 10480), (3920, 10349), (4424, 9170), (4585, 8848), (5240, 7742), (5530, 7336), (6320, 6419)]