39988590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 102876480

約数和(自身を除く): 62887890

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 89, 102, 170, 178, 255, 267, 445, 510, 534, 881, 890, 1335, 1513, 1762, 2643, 2670, 3026, 4405, 4539, 5286, 7565, 8810, 9078, 13215, 14977, 15130, 22695, 26430, 29954, 44931, 45390, 74885, 78409, 89862, 149770, 156818, 224655, 235227, 392045, 449310, 470454, 784090, 1176135, 1332953, 2352270, 2665906, 3998859, 6664765, 7997718, 13329530, 19994295, 39988590]

約数ペア:

[(1, 39988590), (2, 19994295), (3, 13329530), (5, 7997718), (6, 6664765), (10, 3998859), (15, 2665906), (17, 2352270), (30, 1332953), (34, 1176135), (51, 784090), (85, 470454), (89, 449310), (102, 392045), (170, 235227), (178, 224655), (255, 156818), (267, 149770), (445, 89862), (510, 78409), (534, 74885), (881, 45390), (890, 44931), (1335, 29954), (1513, 26430), (1762, 22695), (2643, 15130), (2670, 14977), (3026, 13215), (4405, 9078), (4539, 8810), (5286, 7565)]