28565080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 68299200

約数和(自身を除く): 39734120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 509, 610, 920, 1018, 1220, 1403, 2036, 2440, 2545, 2806, 4072, 5090, 5612, 7015, 10180, 11224, 11707, 14030, 20360, 23414, 28060, 31049, 46828, 56120, 58535, 62098, 93656, 117070, 124196, 155245, 234140, 248392, 310490, 468280, 620980, 714127, 1241960, 1428254, 2856508, 3570635, 5713016, 7141270, 14282540, 28565080]

約数ペア:

[(1, 28565080), (2, 14282540), (4, 7141270), (5, 5713016), (8, 3570635), (10, 2856508), (20, 1428254), (23, 1241960), (40, 714127), (46, 620980), (61, 468280), (92, 310490), (115, 248392), (122, 234140), (184, 155245), (230, 124196), (244, 117070), (305, 93656), (460, 62098), (488, 58535), (509, 56120), (610, 46828), (920, 31049), (1018, 28060), (1220, 23414), (1403, 20360), (2036, 14030), (2440, 11707), (2545, 11224), (2806, 10180), (4072, 7015), (5090, 5612)]