13463920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 33212160

約数和(自身を除く): 19748240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 89, 122, 124, 155, 178, 244, 248, 305, 310, 356, 445, 488, 496, 610, 620, 712, 890, 976, 1220, 1240, 1424, 1780, 1891, 2440, 2480, 2759, 3560, 3782, 4880, 5429, 5518, 7120, 7564, 9455, 10858, 11036, 13795, 15128, 18910, 21716, 22072, 27145, 27590, 30256, 37820, 43432, 44144, 54290, 55180, 75640, 86864, 108580, 110360, 151280, 168299, 217160, 220720, 336598, 434320, 673196, 841495, 1346392, 1682990, 2692784, 3365980, 6731960, 13463920]

約数ペア:

[(1, 13463920), (2, 6731960), (4, 3365980), (5, 2692784), (8, 1682990), (10, 1346392), (16, 841495), (20, 673196), (31, 434320), (40, 336598), (61, 220720), (62, 217160), (80, 168299), (89, 151280), (122, 110360), (124, 108580), (155, 86864), (178, 75640), (244, 55180), (248, 54290), (305, 44144), (310, 43432), (356, 37820), (445, 30256), (488, 27590), (496, 27145), (610, 22072), (620, 21716), (712, 18910), (890, 15128), (976, 13795), (1220, 11036), (1240, 10858), (1424, 9455), (1780, 7564), (1891, 7120), (2440, 5518), (2480, 5429), (2759, 4880), (3560, 3782)]