11895320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 28304640

約数和(自身を除く): 16409320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 181, 212, 248, 265, 310, 362, 424, 530, 620, 724, 905, 1060, 1240, 1448, 1643, 1810, 2120, 3286, 3620, 5611, 6572, 7240, 8215, 9593, 11222, 13144, 16430, 19186, 22444, 28055, 32860, 38372, 44888, 47965, 56110, 65720, 76744, 95930, 112220, 191860, 224440, 297383, 383720, 594766, 1189532, 1486915, 2379064, 2973830, 5947660, 11895320]

約数ペア:

[(1, 11895320), (2, 5947660), (4, 2973830), (5, 2379064), (8, 1486915), (10, 1189532), (20, 594766), (31, 383720), (40, 297383), (53, 224440), (62, 191860), (106, 112220), (124, 95930), (155, 76744), (181, 65720), (212, 56110), (248, 47965), (265, 44888), (310, 38372), (362, 32860), (424, 28055), (530, 22444), (620, 19186), (724, 16430), (905, 13144), (1060, 11222), (1240, 9593), (1448, 8215), (1643, 7240), (1810, 6572), (2120, 5611), (3286, 3620)]