38541401860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1223}}^1\times {\mathrm{1987}}^1$

素因数の和:3293

約数の個数: 96

約数和(自身を含む): 88708822272

約数和(自身を除く): 50167420412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1223, 1586, 1987, 2446, 3172, 3965, 3974, 4892, 6115, 7930, 7948, 9935, 12230, 15860, 15899, 19870, 24460, 25831, 31798, 39740, 51662, 63596, 74603, 79495, 103324, 121207, 129155, 149206, 158990, 242414, 258310, 298412, 317980, 373015, 484828, 516620, 606035, 746030, 969839, 1212070, 1492060, 1575691, 1939678, 2424140, 2430101, 3151382, 3879356, 4849195, 4860202, 6302764, 7878455, 9698390, 9720404, 12150505, 15756910, 19396780, 24301010, 31513820, 31591313, 48602020, 63182626, 126365252, 148236161, 157956565, 296472322, 315913130, 592944644, 631826260, 741180805, 1482361610, 1927070093, 2964723220, 3854140186, 7708280372, 9635350465, 19270700930, 38541401860]

約数ペア:

[(1, 38541401860), (2, 19270700930), (4, 9635350465), (5, 7708280372), (10, 3854140186), (13, 2964723220), (20, 1927070093), (26, 1482361610), (52, 741180805), (61, 631826260), (65, 592944644), (122, 315913130), (130, 296472322), (244, 157956565), (260, 148236161), (305, 126365252), (610, 63182626), (793, 48602020), (1220, 31591313), (1223, 31513820), (1586, 24301010), (1987, 19396780), (2446, 15756910), (3172, 12150505), (3965, 9720404), (3974, 9698390), (4892, 7878455), (6115, 6302764), (7930, 4860202), (7948, 4849195), (9935, 3879356), (12230, 3151382), (15860, 2430101), (15899, 2424140), (19870, 1939678), (24460, 1575691), (25831, 1492060), (31798, 1212070), (39740, 969839), (51662, 746030), (63596, 606035), (74603, 516620), (79495, 484828), (103324, 373015), (121207, 317980), (129155, 298412), (149206, 258310), (158990, 242414)]