101218720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20407}}^1$

素因数の和:20453

約数の個数: 48

約数和(自身を含む): 246855168

約数和(自身を除く): 145636448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 20407, 40814, 81628, 102035, 163256, 204070, 326512, 408140, 632617, 653024, 816280, 1265234, 1632560, 2530468, 3163085, 3265120, 5060936, 6326170, 10121872, 12652340, 20243744, 25304680, 50609360, 101218720]

約数ペア:

[(1, 101218720), (2, 50609360), (4, 25304680), (5, 20243744), (8, 12652340), (10, 10121872), (16, 6326170), (20, 5060936), (31, 3265120), (32, 3163085), (40, 2530468), (62, 1632560), (80, 1265234), (124, 816280), (155, 653024), (160, 632617), (248, 408140), (310, 326512), (496, 204070), (620, 163256), (992, 102035), (1240, 81628), (2480, 40814), (4960, 20407)]