128445249920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15438131}}^1$

素因数の和:15438163

約数の個数: 64

約数和(自身を含む): 330684787440

約数和(自身を除く): 202239537520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 15438131, 30876262, 61752524, 77190655, 123505048, 154381310, 200695703, 247010096, 308762620, 401391406, 494020192, 617525240, 802782812, 988040384, 1003478515, 1235050480, 1605565624, 1976080768, 2006957030, 2470100960, 3211131248, 4013914060, 4940201920, 6422262496, 8027828120, 9880403840, 12844524992, 16055656240, 25689049984, 32111312480, 64222624960, 128445249920]

約数ペア:

[(1, 128445249920), (2, 64222624960), (4, 32111312480), (5, 25689049984), (8, 16055656240), (10, 12844524992), (13, 9880403840), (16, 8027828120), (20, 6422262496), (26, 4940201920), (32, 4013914060), (40, 3211131248), (52, 2470100960), (64, 2006957030), (65, 1976080768), (80, 1605565624), (104, 1235050480), (128, 1003478515), (130, 988040384), (160, 802782812), (208, 617525240), (260, 494020192), (320, 401391406), (416, 308762620), (520, 247010096), (640, 200695703), (832, 154381310), (1040, 123505048), (1664, 77190655), (2080, 61752524), (4160, 30876262), (8320, 15438131)]