53855680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 112

約数和(自身を含む): 136062720

約数和(自身を除く): 82207040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 89, 122, 124, 155, 160, 178, 244, 248, 305, 310, 320, 356, 445, 488, 496, 610, 620, 712, 890, 976, 992, 1220, 1240, 1424, 1780, 1891, 1952, 1984, 2440, 2480, 2759, 2848, 3560, 3782, 3904, 4880, 4960, 5429, 5518, 5696, 7120, 7564, 9455, 9760, 9920, 10858, 11036, 13795, 14240, 15128, 18910, 19520, 21716, 22072, 27145, 27590, 28480, 30256, 37820, 43432, 44144, 54290, 55180, 60512, 75640, 86864, 88288, 108580, 110360, 121024, 151280, 168299, 173728, 176576, 217160, 220720, 302560, 336598, 347456, 434320, 441440, 605120, 673196, 841495, 868640, 882880, 1346392, 1682990, 1737280, 2692784, 3365980, 5385568, 6731960, 10771136, 13463920, 26927840, 53855680]

約数ペア:

[(1, 53855680), (2, 26927840), (4, 13463920), (5, 10771136), (8, 6731960), (10, 5385568), (16, 3365980), (20, 2692784), (31, 1737280), (32, 1682990), (40, 1346392), (61, 882880), (62, 868640), (64, 841495), (80, 673196), (89, 605120), (122, 441440), (124, 434320), (155, 347456), (160, 336598), (178, 302560), (244, 220720), (248, 217160), (305, 176576), (310, 173728), (320, 168299), (356, 151280), (445, 121024), (488, 110360), (496, 108580), (610, 88288), (620, 86864), (712, 75640), (890, 60512), (976, 55180), (992, 54290), (1220, 44144), (1240, 43432), (1424, 37820), (1780, 30256), (1891, 28480), (1952, 27590), (1984, 27145), (2440, 22072), (2480, 21716), (2759, 19520), (2848, 18910), (3560, 15128), (3782, 14240), (3904, 13795), (4880, 11036), (4960, 10858), (5429, 9920), (5518, 9760), (5696, 9455), (7120, 7564)]