40633840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 103118400

約数和(自身を除く): 62484560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 439, 445, 520, 712, 878, 890, 1040, 1157, 1424, 1756, 1780, 2195, 2314, 3512, 3560, 4390, 4628, 5707, 5785, 7024, 7120, 8780, 9256, 11414, 11570, 17560, 18512, 22828, 23140, 28535, 35120, 39071, 45656, 46280, 57070, 78142, 91312, 92560, 114140, 156284, 195355, 228280, 312568, 390710, 456560, 507923, 625136, 781420, 1015846, 1562840, 2031692, 2539615, 3125680, 4063384, 5079230, 8126768, 10158460, 20316920, 40633840]

約数ペア:

[(1, 40633840), (2, 20316920), (4, 10158460), (5, 8126768), (8, 5079230), (10, 4063384), (13, 3125680), (16, 2539615), (20, 2031692), (26, 1562840), (40, 1015846), (52, 781420), (65, 625136), (80, 507923), (89, 456560), (104, 390710), (130, 312568), (178, 228280), (208, 195355), (260, 156284), (356, 114140), (439, 92560), (445, 91312), (520, 78142), (712, 57070), (878, 46280), (890, 45656), (1040, 39071), (1157, 35120), (1424, 28535), (1756, 23140), (1780, 22828), (2195, 18512), (2314, 17560), (3512, 11570), (3560, 11414), (4390, 9256), (4628, 8780), (5707, 7120), (5785, 7024)]