13240240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 34372800

約数和(自身を除く): 21132560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 439, 464, 520, 580, 754, 878, 1040, 1160, 1508, 1756, 1885, 2195, 2320, 3016, 3512, 3770, 4390, 5707, 6032, 7024, 7540, 8780, 11414, 12731, 15080, 17560, 22828, 25462, 28535, 30160, 35120, 45656, 50924, 57070, 63655, 91312, 101848, 114140, 127310, 165503, 203696, 228280, 254620, 331006, 456560, 509240, 662012, 827515, 1018480, 1324024, 1655030, 2648048, 3310060, 6620120, 13240240]

約数ペア:

[(1, 13240240), (2, 6620120), (4, 3310060), (5, 2648048), (8, 1655030), (10, 1324024), (13, 1018480), (16, 827515), (20, 662012), (26, 509240), (29, 456560), (40, 331006), (52, 254620), (58, 228280), (65, 203696), (80, 165503), (104, 127310), (116, 114140), (130, 101848), (145, 91312), (208, 63655), (232, 57070), (260, 50924), (290, 45656), (377, 35120), (439, 30160), (464, 28535), (520, 25462), (580, 22828), (754, 17560), (878, 15080), (1040, 12731), (1160, 11414), (1508, 8780), (1756, 7540), (1885, 7024), (2195, 6032), (2320, 5707), (3016, 4390), (3512, 3770)]