39218720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7907}}^1$

素因数の和:7953

約数の個数: 48

約数和(自身を含む): 95655168

約数和(自身を除く): 56436448

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, 7907, 15814, 31628, 39535, 63256, 79070, 126512, 158140, 245117, 253024, 316280, 490234, 632560, 980468, 1225585, 1265120, 1960936, 2451170, 3921872, 4902340, 7843744, 9804680, 19609360, 39218720]

約数ペア:

[(1, 39218720), (2, 19609360), (4, 9804680), (5, 7843744), (8, 4902340), (10, 3921872), (16, 2451170), (20, 1960936), (31, 1265120), (32, 1225585), (40, 980468), (62, 632560), (80, 490234), (124, 316280), (155, 253024), (160, 245117), (248, 158140), (310, 126512), (496, 79070), (620, 63256), (992, 39535), (1240, 31628), (2480, 15814), (4960, 7907)]