20557289300

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1913}}^1\times {\mathrm{2621}}^1$

素因数の和:4589

約数の個数: 72

約数和(自身を含む): 45738681912

約数和(自身を除く): 25181392612

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 1913, 2050, 2621, 3826, 4100, 5242, 7652, 9565, 10484, 13105, 19130, 26210, 38260, 47825, 52420, 65525, 78433, 95650, 107461, 131050, 156866, 191300, 214922, 262100, 313732, 392165, 429844, 537305, 784330, 1074610, 1568660, 1960825, 2149220, 2686525, 3921650, 5013973, 5373050, 7843300, 10027946, 10746100, 20055892, 25069865, 50139730, 100279460, 125349325, 205572893, 250698650, 411145786, 501397300, 822291572, 1027864465, 2055728930, 4111457860, 5139322325, 10278644650, 20557289300]

約数ペア:

[(1, 20557289300), (2, 10278644650), (4, 5139322325), (5, 4111457860), (10, 2055728930), (20, 1027864465), (25, 822291572), (41, 501397300), (50, 411145786), (82, 250698650), (100, 205572893), (164, 125349325), (205, 100279460), (410, 50139730), (820, 25069865), (1025, 20055892), (1913, 10746100), (2050, 10027946), (2621, 7843300), (3826, 5373050), (4100, 5013973), (5242, 3921650), (7652, 2686525), (9565, 2149220), (10484, 1960825), (13105, 1568660), (19130, 1074610), (26210, 784330), (38260, 537305), (47825, 429844), (52420, 392165), (65525, 313732), (78433, 262100), (95650, 214922), (107461, 191300), (131050, 156866)]