25011220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 61246080

約数和(自身を除く): 36234860

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 61, 65, 76, 83, 95, 122, 130, 166, 190, 244, 247, 260, 305, 332, 380, 415, 494, 610, 793, 830, 988, 1079, 1159, 1220, 1235, 1577, 1586, 1660, 2158, 2318, 2470, 3154, 3172, 3965, 4316, 4636, 4940, 5063, 5395, 5795, 6308, 7885, 7930, 10126, 10790, 11590, 15067, 15770, 15860, 20252, 20501, 21580, 23180, 25315, 30134, 31540, 41002, 50630, 60268, 65819, 75335, 82004, 96197, 101260, 102505, 131638, 150670, 192394, 205010, 263276, 301340, 329095, 384788, 410020, 480985, 658190, 961970, 1250561, 1316380, 1923940, 2501122, 5002244, 6252805, 12505610, 25011220]

約数ペア:

[(1, 25011220), (2, 12505610), (4, 6252805), (5, 5002244), (10, 2501122), (13, 1923940), (19, 1316380), (20, 1250561), (26, 961970), (38, 658190), (52, 480985), (61, 410020), (65, 384788), (76, 329095), (83, 301340), (95, 263276), (122, 205010), (130, 192394), (166, 150670), (190, 131638), (244, 102505), (247, 101260), (260, 96197), (305, 82004), (332, 75335), (380, 65819), (415, 60268), (494, 50630), (610, 41002), (793, 31540), (830, 30134), (988, 25315), (1079, 23180), (1159, 21580), (1220, 20501), (1235, 20252), (1577, 15860), (1586, 15770), (1660, 15067), (2158, 11590), (2318, 10790), (2470, 10126), (3154, 7930), (3172, 7885), (3965, 6308), (4316, 5795), (4636, 5395), (4940, 5063)]