51805120

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 112

約数和(自身を含む): 133319520

約数和(自身を除く): 81514400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 89, 107, 136, 160, 170, 178, 214, 272, 320, 340, 356, 428, 445, 535, 544, 680, 712, 856, 890, 1070, 1088, 1360, 1424, 1513, 1712, 1780, 1819, 2140, 2720, 2848, 3026, 3424, 3560, 3638, 4280, 5440, 5696, 6052, 6848, 7120, 7276, 7565, 8560, 9095, 9523, 12104, 14240, 14552, 15130, 17120, 18190, 19046, 24208, 28480, 29104, 30260, 34240, 36380, 38092, 47615, 48416, 58208, 60520, 72760, 76184, 95230, 96832, 116416, 121040, 145520, 152368, 161891, 190460, 242080, 291040, 304736, 323782, 380920, 484160, 582080, 609472, 647564, 761840, 809455, 1295128, 1523680, 1618910, 2590256, 3047360, 3237820, 5180512, 6475640, 10361024, 12951280, 25902560, 51805120]

約数ペア:

[(1, 51805120), (2, 25902560), (4, 12951280), (5, 10361024), (8, 6475640), (10, 5180512), (16, 3237820), (17, 3047360), (20, 2590256), (32, 1618910), (34, 1523680), (40, 1295128), (64, 809455), (68, 761840), (80, 647564), (85, 609472), (89, 582080), (107, 484160), (136, 380920), (160, 323782), (170, 304736), (178, 291040), (214, 242080), (272, 190460), (320, 161891), (340, 152368), (356, 145520), (428, 121040), (445, 116416), (535, 96832), (544, 95230), (680, 76184), (712, 72760), (856, 60520), (890, 58208), (1070, 48416), (1088, 47615), (1360, 38092), (1424, 36380), (1513, 34240), (1712, 30260), (1780, 29104), (1819, 28480), (2140, 24208), (2720, 19046), (2848, 18190), (3026, 17120), (3424, 15130), (3560, 14552), (3638, 14240), (4280, 12104), (5440, 9523), (5696, 9095), (6052, 8560), (6848, 7565), (7120, 7276)]