26430520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 37073480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 415, 419, 664, 760, 830, 838, 1577, 1660, 1676, 2095, 3154, 3320, 3352, 4190, 6308, 7885, 7961, 8380, 12616, 15770, 15922, 16760, 31540, 31844, 34777, 39805, 63080, 63688, 69554, 79610, 139108, 159220, 173885, 278216, 318440, 347770, 660763, 695540, 1321526, 1391080, 2643052, 3303815, 5286104, 6607630, 13215260, 26430520]

約数ペア:

[(1, 26430520), (2, 13215260), (4, 6607630), (5, 5286104), (8, 3303815), (10, 2643052), (19, 1391080), (20, 1321526), (38, 695540), (40, 660763), (76, 347770), (83, 318440), (95, 278216), (152, 173885), (166, 159220), (190, 139108), (332, 79610), (380, 69554), (415, 63688), (419, 63080), (664, 39805), (760, 34777), (830, 31844), (838, 31540), (1577, 16760), (1660, 15922), (1676, 15770), (2095, 12616), (3154, 8380), (3320, 7961), (3352, 7885), (4190, 6308)]