4220920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 10614240

約数和(自身を除く): 6393320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 181, 212, 220, 265, 362, 424, 440, 530, 583, 724, 905, 1060, 1166, 1448, 1810, 1991, 2120, 2332, 2915, 3620, 3982, 4664, 5830, 7240, 7964, 9593, 9955, 11660, 15928, 19186, 19910, 23320, 38372, 39820, 47965, 76744, 79640, 95930, 105523, 191860, 211046, 383720, 422092, 527615, 844184, 1055230, 2110460, 4220920]

約数ペア:

[(1, 4220920), (2, 2110460), (4, 1055230), (5, 844184), (8, 527615), (10, 422092), (11, 383720), (20, 211046), (22, 191860), (40, 105523), (44, 95930), (53, 79640), (55, 76744), (88, 47965), (106, 39820), (110, 38372), (181, 23320), (212, 19910), (220, 19186), (265, 15928), (362, 11660), (424, 9955), (440, 9593), (530, 7964), (583, 7240), (724, 5830), (905, 4664), (1060, 3982), (1166, 3620), (1448, 2915), (1810, 2332), (1991, 2120)]