50781640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2031

約数の個数: 96

約数和(自身を含む): 143209080

約数和(自身を除く): 92427440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 1993, 2548, 3185, 3640, 3986, 5096, 6370, 7972, 9965, 12740, 13951, 15944, 19930, 25480, 25909, 27902, 39860, 51818, 55804, 69755, 79720, 97657, 103636, 111608, 129545, 139510, 181363, 195314, 207272, 259090, 279020, 362726, 390628, 488285, 518180, 558040, 725452, 781256, 906815, 976570, 1036360, 1269541, 1450904, 1813630, 1953140, 2539082, 3627260, 3906280, 5078164, 6347705, 7254520, 10156328, 12695410, 25390820, 50781640]

約数ペア:

[(1, 50781640), (2, 25390820), (4, 12695410), (5, 10156328), (7, 7254520), (8, 6347705), (10, 5078164), (13, 3906280), (14, 3627260), (20, 2539082), (26, 1953140), (28, 1813630), (35, 1450904), (40, 1269541), (49, 1036360), (52, 976570), (56, 906815), (65, 781256), (70, 725452), (91, 558040), (98, 518180), (104, 488285), (130, 390628), (140, 362726), (182, 279020), (196, 259090), (245, 207272), (260, 195314), (280, 181363), (364, 139510), (392, 129545), (455, 111608), (490, 103636), (520, 97657), (637, 79720), (728, 69755), (910, 55804), (980, 51818), (1274, 39860), (1820, 27902), (1960, 25909), (1993, 25480), (2548, 19930), (3185, 15944), (3640, 13951), (3986, 12740), (5096, 9965), (6370, 7972)]