25045152020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1069}}^1\times {\mathrm{2357}}^1$

素因数の和:3513

約数の個数: 96

約数和(自身を含む): 61037867520

約数和(自身を除く): 35992715500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1069, 1420, 1988, 2138, 2357, 2485, 4276, 4714, 4970, 5345, 7483, 9428, 9940, 10690, 11785, 14966, 16499, 21380, 23570, 29932, 32998, 37415, 47140, 65996, 74830, 75899, 82495, 149660, 151798, 164990, 167347, 303596, 329980, 334694, 379495, 531293, 669388, 758990, 836735, 1062586, 1171429, 1517980, 1673470, 2125172, 2342858, 2519633, 2656465, 3346940, 4685716, 5039266, 5312930, 5857145, 10078532, 10625860, 11714290, 12598165, 17637431, 23428580, 25196330, 35274862, 50392660, 70549724, 88187155, 176374310, 178893943, 352748620, 357787886, 715575772, 894469715, 1252257601, 1788939430, 2504515202, 3577878860, 5009030404, 6261288005, 12522576010, 25045152020]

約数ペア:

[(1, 25045152020), (2, 12522576010), (4, 6261288005), (5, 5009030404), (7, 3577878860), (10, 2504515202), (14, 1788939430), (20, 1252257601), (28, 894469715), (35, 715575772), (70, 357787886), (71, 352748620), (140, 178893943), (142, 176374310), (284, 88187155), (355, 70549724), (497, 50392660), (710, 35274862), (994, 25196330), (1069, 23428580), (1420, 17637431), (1988, 12598165), (2138, 11714290), (2357, 10625860), (2485, 10078532), (4276, 5857145), (4714, 5312930), (4970, 5039266), (5345, 4685716), (7483, 3346940), (9428, 2656465), (9940, 2519633), (10690, 2342858), (11785, 2125172), (14966, 1673470), (16499, 1517980), (21380, 1171429), (23570, 1062586), (29932, 836735), (32998, 758990), (37415, 669388), (47140, 531293), (65996, 379495), (74830, 334694), (75899, 329980), (82495, 303596), (149660, 167347), (151798, 164990)]