49275440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 119429856

約数和(自身を除く): 70154416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 83, 164, 166, 181, 205, 328, 332, 362, 410, 415, 656, 664, 724, 820, 830, 905, 1328, 1448, 1640, 1660, 1810, 2896, 3280, 3320, 3403, 3620, 6640, 6806, 7240, 7421, 13612, 14480, 14842, 15023, 17015, 27224, 29684, 30046, 34030, 37105, 54448, 59368, 60092, 68060, 74210, 75115, 118736, 120184, 136120, 148420, 150230, 240368, 272240, 296840, 300460, 593680, 600920, 615943, 1201840, 1231886, 2463772, 3079715, 4927544, 6159430, 9855088, 12318860, 24637720, 49275440]

約数ペア:

[(1, 49275440), (2, 24637720), (4, 12318860), (5, 9855088), (8, 6159430), (10, 4927544), (16, 3079715), (20, 2463772), (40, 1231886), (41, 1201840), (80, 615943), (82, 600920), (83, 593680), (164, 300460), (166, 296840), (181, 272240), (205, 240368), (328, 150230), (332, 148420), (362, 136120), (410, 120184), (415, 118736), (656, 75115), (664, 74210), (724, 68060), (820, 60092), (830, 59368), (905, 54448), (1328, 37105), (1448, 34030), (1640, 30046), (1660, 29684), (1810, 27224), (2896, 17015), (3280, 15023), (3320, 14842), (3403, 14480), (3620, 13612), (6640, 7421), (6806, 7240)]