51988638260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{911}}^1\times {\mathrm{219491}}^1$

素因数の和:220424

約数の個数: 48

約数和(自身を含む): 117703901952

約数和(自身を除く): 65715263692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 911, 1822, 3644, 4555, 9110, 11843, 18220, 23686, 47372, 59215, 118430, 219491, 236860, 438982, 877964, 1097455, 2194910, 2853383, 4389820, 5706766, 11413532, 14266915, 28533830, 57067660, 199956301, 399912602, 799825204, 999781505, 1999563010, 2599431913, 3999126020, 5198863826, 10397727652, 12997159565, 25994319130, 51988638260]

約数ペア:

[(1, 51988638260), (2, 25994319130), (4, 12997159565), (5, 10397727652), (10, 5198863826), (13, 3999126020), (20, 2599431913), (26, 1999563010), (52, 999781505), (65, 799825204), (130, 399912602), (260, 199956301), (911, 57067660), (1822, 28533830), (3644, 14266915), (4555, 11413532), (9110, 5706766), (11843, 4389820), (18220, 2853383), (23686, 2194910), (47372, 1097455), (59215, 877964), (118430, 438982), (219491, 236860)]