20174020960

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{787}}^1\times {\mathrm{1223}}^1$

素因数の和:2156

約数の個数: 96

約数和(自身を含む): 48125290752

約数和(自身を除く): 27951269792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 787, 1048, 1223, 1310, 1574, 2096, 2446, 2620, 3148, 3935, 4192, 4892, 5240, 6115, 6296, 7870, 9784, 10480, 12230, 12592, 15740, 19568, 20960, 24460, 25184, 31480, 39136, 48920, 62960, 97840, 103097, 125920, 160213, 195680, 206194, 320426, 412388, 515485, 640852, 801065, 824776, 962501, 1030970, 1281704, 1602130, 1649552, 1925002, 2061940, 2563408, 3204260, 3299104, 3850004, 4123880, 4812505, 5126816, 6408520, 7700008, 8247760, 9625010, 12817040, 15400016, 16495520, 19250020, 25634080, 30800032, 38500040, 77000080, 126087631, 154000160, 252175262, 504350524, 630438155, 1008701048, 1260876310, 2017402096, 2521752620, 4034804192, 5043505240, 10087010480, 20174020960]

約数ペア:

[(1, 20174020960), (2, 10087010480), (4, 5043505240), (5, 4034804192), (8, 2521752620), (10, 2017402096), (16, 1260876310), (20, 1008701048), (32, 630438155), (40, 504350524), (80, 252175262), (131, 154000160), (160, 126087631), (262, 77000080), (524, 38500040), (655, 30800032), (787, 25634080), (1048, 19250020), (1223, 16495520), (1310, 15400016), (1574, 12817040), (2096, 9625010), (2446, 8247760), (2620, 7700008), (3148, 6408520), (3935, 5126816), (4192, 4812505), (4892, 4123880), (5240, 3850004), (6115, 3299104), (6296, 3204260), (7870, 2563408), (9784, 2061940), (10480, 1925002), (12230, 1649552), (12592, 1602130), (15740, 1281704), (19568, 1030970), (20960, 962501), (24460, 824776), (25184, 801065), (31480, 640852), (39136, 515485), (48920, 412388), (62960, 320426), (97840, 206194), (103097, 195680), (125920, 160213)]