29879980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2803}}^1$

素因数の和:2866

約数の個数: 48

約数和(自身を含む): 69247584

約数和(自身を除く): 39367604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 2803, 5330, 5606, 10660, 11212, 14015, 28030, 36439, 56060, 72878, 114923, 145756, 182195, 229846, 364390, 459692, 574615, 728780, 1149230, 1493999, 2298460, 2987998, 5975996, 7469995, 14939990, 29879980]

約数ペア:

[(1, 29879980), (2, 14939990), (4, 7469995), (5, 5975996), (10, 2987998), (13, 2298460), (20, 1493999), (26, 1149230), (41, 728780), (52, 574615), (65, 459692), (82, 364390), (130, 229846), (164, 182195), (205, 145756), (260, 114923), (410, 72878), (533, 56060), (820, 36439), (1066, 28030), (2132, 14015), (2665, 11212), (2803, 10660), (5330, 5606)]