51212980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1481}}^1$

素因数の和:1529

約数の個数: 96

約数和(自身を含む): 139426560

約数和(自身を除く): 88213580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1481, 1729, 1820, 2470, 2660, 2962, 3458, 4940, 5924, 6916, 7405, 8645, 10367, 14810, 17290, 19253, 20734, 28139, 29620, 34580, 38506, 41468, 51835, 56278, 77012, 96265, 103670, 112556, 134771, 140695, 192530, 196973, 207340, 269542, 281390, 365807, 385060, 393946, 539084, 562780, 673855, 731614, 787892, 984865, 1347710, 1463228, 1829035, 1969730, 2560649, 2695420, 3658070, 3939460, 5121298, 7316140, 10242596, 12803245, 25606490, 51212980]

約数ペア:

[(1, 51212980), (2, 25606490), (4, 12803245), (5, 10242596), (7, 7316140), (10, 5121298), (13, 3939460), (14, 3658070), (19, 2695420), (20, 2560649), (26, 1969730), (28, 1829035), (35, 1463228), (38, 1347710), (52, 984865), (65, 787892), (70, 731614), (76, 673855), (91, 562780), (95, 539084), (130, 393946), (133, 385060), (140, 365807), (182, 281390), (190, 269542), (247, 207340), (260, 196973), (266, 192530), (364, 140695), (380, 134771), (455, 112556), (494, 103670), (532, 96265), (665, 77012), (910, 56278), (988, 51835), (1235, 41468), (1330, 38506), (1481, 34580), (1729, 29620), (1820, 28139), (2470, 20734), (2660, 19253), (2962, 17290), (3458, 14810), (4940, 10367), (5924, 8645), (6916, 7405)]