4988360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 12383280

約数和(自身を除く): 7394920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 181, 212, 260, 265, 362, 424, 520, 530, 689, 724, 905, 1060, 1378, 1448, 1810, 2120, 2353, 2756, 3445, 3620, 4706, 5512, 6890, 7240, 9412, 9593, 11765, 13780, 18824, 19186, 23530, 27560, 38372, 47060, 47965, 76744, 94120, 95930, 124709, 191860, 249418, 383720, 498836, 623545, 997672, 1247090, 2494180, 4988360]

約数ペア:

[(1, 4988360), (2, 2494180), (4, 1247090), (5, 997672), (8, 623545), (10, 498836), (13, 383720), (20, 249418), (26, 191860), (40, 124709), (52, 95930), (53, 94120), (65, 76744), (104, 47965), (106, 47060), (130, 38372), (181, 27560), (212, 23530), (260, 19186), (265, 18824), (362, 13780), (424, 11765), (520, 9593), (530, 9412), (689, 7240), (724, 6890), (905, 5512), (1060, 4706), (1378, 3620), (1448, 3445), (1810, 2756), (2120, 2353)]