20180992810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{78977}}^1$

素因数の和:79119

約数の個数: 64

約数和(自身を含む): 41761039104

約数和(自身を除く): 21580046294

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 101, 110, 115, 202, 230, 253, 505, 506, 1010, 1111, 1265, 2222, 2323, 2530, 4646, 5555, 11110, 11615, 23230, 25553, 51106, 78977, 127765, 157954, 255530, 394885, 789770, 868747, 1737494, 1816471, 3632942, 4343735, 7976677, 8687470, 9082355, 15953354, 18164710, 19981181, 39883385, 39962362, 79766770, 87743447, 99905905, 175486894, 183463571, 199811810, 366927142, 438717235, 877434470, 917317855, 1834635710, 2018099281, 4036198562, 10090496405, 20180992810]

約数ペア:

[(1, 20180992810), (2, 10090496405), (5, 4036198562), (10, 2018099281), (11, 1834635710), (22, 917317855), (23, 877434470), (46, 438717235), (55, 366927142), (101, 199811810), (110, 183463571), (115, 175486894), (202, 99905905), (230, 87743447), (253, 79766770), (505, 39962362), (506, 39883385), (1010, 19981181), (1111, 18164710), (1265, 15953354), (2222, 9082355), (2323, 8687470), (2530, 7976677), (4646, 4343735), (5555, 3632942), (11110, 1816471), (11615, 1737494), (23230, 868747), (25553, 789770), (51106, 394885), (78977, 255530), (127765, 157954)]