40807820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6317}}^1$

素因数の和:6362

約数の個数: 48

約数和(自身を含む): 95528160

約数和(自身を除く): 54720340

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6317, 6460, 12634, 25268, 31585, 63170, 107389, 120023, 126340, 214778, 240046, 429556, 480092, 536945, 600115, 1073890, 1200230, 2040391, 2147780, 2400460, 4080782, 8161564, 10201955, 20403910, 40807820]

約数ペア:

[(1, 40807820), (2, 20403910), (4, 10201955), (5, 8161564), (10, 4080782), (17, 2400460), (19, 2147780), (20, 2040391), (34, 1200230), (38, 1073890), (68, 600115), (76, 536945), (85, 480092), (95, 429556), (170, 240046), (190, 214778), (323, 126340), (340, 120023), (380, 107389), (646, 63170), (1292, 31585), (1615, 25268), (3230, 12634), (6317, 6460)]