40538940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51973}}^1$

素因数の和:51998

約数の個数: 48

約数和(自身を含む): 122242848

約数和(自身を除く): 81703908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51973, 103946, 155919, 207892, 259865, 311838, 519730, 623676, 675649, 779595, 1039460, 1351298, 1559190, 2026947, 2702596, 3118380, 3378245, 4053894, 6756490, 8107788, 10134735, 13512980, 20269470, 40538940]

約数ペア:

[(1, 40538940), (2, 20269470), (3, 13512980), (4, 10134735), (5, 8107788), (6, 6756490), (10, 4053894), (12, 3378245), (13, 3118380), (15, 2702596), (20, 2026947), (26, 1559190), (30, 1351298), (39, 1039460), (52, 779595), (60, 675649), (65, 623676), (78, 519730), (130, 311838), (156, 259865), (195, 207892), (260, 155919), (390, 103946), (780, 51973)]