2080552720900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{1043773}}^1$

素因数の和:1044461

約数の個数: 72

約数和(自身を含む): 4667690526464

約数和(自身を除く): 2587137805564

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 643, 775, 1286, 1550, 2572, 3100, 3215, 6430, 12860, 16075, 19933, 32150, 39866, 64300, 79732, 99665, 199330, 398660, 498325, 996650, 1043773, 1993300, 2087546, 4175092, 5218865, 10437730, 20875460, 26094325, 32356963, 52188650, 64713926, 104377300, 129427852, 161784815, 323569630, 647139260, 671146039, 808924075, 1342292078, 1617848150, 2684584156, 3235696300, 3355730195, 6711460390, 13422920780, 16778650975, 20805527209, 33557301950, 41611054418, 67114603900, 83222108836, 104027636045, 208055272090, 416110544180, 520138180225, 1040276360450, 2080552720900]

約数ペア:

[(1, 2080552720900), (2, 1040276360450), (4, 520138180225), (5, 416110544180), (10, 208055272090), (20, 104027636045), (25, 83222108836), (31, 67114603900), (50, 41611054418), (62, 33557301950), (100, 20805527209), (124, 16778650975), (155, 13422920780), (310, 6711460390), (620, 3355730195), (643, 3235696300), (775, 2684584156), (1286, 1617848150), (1550, 1342292078), (2572, 808924075), (3100, 671146039), (3215, 647139260), (6430, 323569630), (12860, 161784815), (16075, 129427852), (19933, 104377300), (32150, 64713926), (39866, 52188650), (64300, 32356963), (79732, 26094325), (99665, 20875460), (199330, 10437730), (398660, 5218865), (498325, 4175092), (996650, 2087546), (1043773, 1993300)]