26556680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 63806400

約数和(自身を除く): 37249720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 415, 421, 664, 760, 830, 842, 1577, 1660, 1684, 2105, 3154, 3320, 3368, 4210, 6308, 7885, 7999, 8420, 12616, 15770, 15998, 16840, 31540, 31996, 34943, 39995, 63080, 63992, 69886, 79990, 139772, 159980, 174715, 279544, 319960, 349430, 663917, 698860, 1327834, 1397720, 2655668, 3319585, 5311336, 6639170, 13278340, 26556680]

約数ペア:

[(1, 26556680), (2, 13278340), (4, 6639170), (5, 5311336), (8, 3319585), (10, 2655668), (19, 1397720), (20, 1327834), (38, 698860), (40, 663917), (76, 349430), (83, 319960), (95, 279544), (152, 174715), (166, 159980), (190, 139772), (332, 79990), (380, 69886), (415, 63992), (421, 63080), (664, 39995), (760, 34943), (830, 31996), (842, 31540), (1577, 16840), (1660, 15998), (1684, 15770), (2105, 12616), (3154, 8420), (3320, 7999), (3368, 7885), (4210, 6308)]