16443456520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1381}}^1\times {\mathrm{15667}}^1$

素因数の和:17078

約数の個数: 64

約数和(自身を含む): 38975716800

約数和(自身を除く): 22532260280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1381, 2762, 5524, 6905, 11048, 13810, 15667, 26239, 27620, 31334, 52478, 55240, 62668, 78335, 104956, 125336, 131195, 156670, 209912, 262390, 297673, 313340, 524780, 595346, 626680, 1049560, 1190692, 1488365, 2381384, 2976730, 5953460, 11906920, 21636127, 43272254, 86544508, 108180635, 173089016, 216361270, 411086413, 432722540, 822172826, 865445080, 1644345652, 2055432065, 3288691304, 4110864130, 8221728260, 16443456520]

約数ペア:

[(1, 16443456520), (2, 8221728260), (4, 4110864130), (5, 3288691304), (8, 2055432065), (10, 1644345652), (19, 865445080), (20, 822172826), (38, 432722540), (40, 411086413), (76, 216361270), (95, 173089016), (152, 108180635), (190, 86544508), (380, 43272254), (760, 21636127), (1381, 11906920), (2762, 5953460), (5524, 2976730), (6905, 2381384), (11048, 1488365), (13810, 1190692), (15667, 1049560), (26239, 626680), (27620, 595346), (31334, 524780), (52478, 313340), (55240, 297673), (62668, 262390), (78335, 209912), (104956, 156670), (125336, 131195)]