40105520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:827

約数の個数: 120

約数和(自身を含む): 116961264

約数和(自身を除く): 76855744

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 787, 910, 980, 1040, 1274, 1456, 1574, 1820, 1960, 2548, 3148, 3185, 3640, 3920, 3935, 5096, 5509, 6296, 6370, 7280, 7870, 10192, 10231, 11018, 12592, 12740, 15740, 20462, 22036, 25480, 27545, 31480, 38563, 40924, 44072, 50960, 51155, 55090, 62960, 71617, 77126, 81848, 88144, 102310, 110180, 143234, 154252, 163696, 192815, 204620, 220360, 286468, 308504, 358085, 385630, 409240, 440720, 501319, 572936, 617008, 716170, 771260, 818480, 1002638, 1145872, 1432340, 1542520, 2005276, 2506595, 2864680, 3085040, 4010552, 5013190, 5729360, 8021104, 10026380, 20052760, 40105520]

約数ペア:

[(1, 40105520), (2, 20052760), (4, 10026380), (5, 8021104), (7, 5729360), (8, 5013190), (10, 4010552), (13, 3085040), (14, 2864680), (16, 2506595), (20, 2005276), (26, 1542520), (28, 1432340), (35, 1145872), (40, 1002638), (49, 818480), (52, 771260), (56, 716170), (65, 617008), (70, 572936), (80, 501319), (91, 440720), (98, 409240), (104, 385630), (112, 358085), (130, 308504), (140, 286468), (182, 220360), (196, 204620), (208, 192815), (245, 163696), (260, 154252), (280, 143234), (364, 110180), (392, 102310), (455, 88144), (490, 81848), (520, 77126), (560, 71617), (637, 62960), (728, 55090), (784, 51155), (787, 50960), (910, 44072), (980, 40924), (1040, 38563), (1274, 31480), (1456, 27545), (1574, 25480), (1820, 22036), (1960, 20462), (2548, 15740), (3148, 12740), (3185, 12592), (3640, 11018), (3920, 10231), (3935, 10192), (5096, 7870), (5509, 7280), (6296, 6370)]