25214940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1973}}^1$

素因数の和:2059

約数の個数: 72

約数和(自身を含む): 77601888

約数和(自身を除く): 52386948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 1973, 2130, 2556, 3195, 3946, 4260, 5919, 6390, 7892, 9865, 11838, 12780, 17757, 19730, 23676, 29595, 35514, 39460, 59190, 71028, 88785, 118380, 140083, 177570, 280166, 355140, 420249, 560332, 700415, 840498, 1260747, 1400830, 1680996, 2101245, 2521494, 2801660, 4202490, 5042988, 6303735, 8404980, 12607470, 25214940]

約数ペア:

[(1, 25214940), (2, 12607470), (3, 8404980), (4, 6303735), (5, 5042988), (6, 4202490), (9, 2801660), (10, 2521494), (12, 2101245), (15, 1680996), (18, 1400830), (20, 1260747), (30, 840498), (36, 700415), (45, 560332), (60, 420249), (71, 355140), (90, 280166), (142, 177570), (180, 140083), (213, 118380), (284, 88785), (355, 71028), (426, 59190), (639, 39460), (710, 35514), (852, 29595), (1065, 23676), (1278, 19730), (1420, 17757), (1973, 12780), (2130, 11838), (2556, 9865), (3195, 7892), (3946, 6390), (4260, 5919)]