2545940540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{1559}}^1$

素因数の和:2163

約数の個数: 96

約数和(自身を含む): 6296209920

約数和(自身を除く): 3750269380

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 571, 572, 715, 1142, 1430, 1559, 2284, 2855, 2860, 3118, 5710, 6236, 6281, 7423, 7795, 11420, 12562, 14846, 15590, 17149, 20267, 25124, 29692, 31180, 31405, 34298, 37115, 40534, 62810, 68596, 74230, 81068, 81653, 85745, 101335, 125620, 148460, 163306, 171490, 202670, 222937, 326612, 342980, 405340, 408265, 445874, 816530, 890189, 891748, 1114685, 1633060, 1780378, 2229370, 3560756, 4450945, 4458740, 8901890, 9792079, 11572457, 17803780, 19584158, 23144914, 39168316, 46289828, 48960395, 57862285, 97920790, 115724570, 127297027, 195841580, 231449140, 254594054, 509188108, 636485135, 1272970270, 2545940540]

約数ペア:

[(1, 2545940540), (2, 1272970270), (4, 636485135), (5, 509188108), (10, 254594054), (11, 231449140), (13, 195841580), (20, 127297027), (22, 115724570), (26, 97920790), (44, 57862285), (52, 48960395), (55, 46289828), (65, 39168316), (110, 23144914), (130, 19584158), (143, 17803780), (220, 11572457), (260, 9792079), (286, 8901890), (571, 4458740), (572, 4450945), (715, 3560756), (1142, 2229370), (1430, 1780378), (1559, 1633060), (2284, 1114685), (2855, 891748), (2860, 890189), (3118, 816530), (5710, 445874), (6236, 408265), (6281, 405340), (7423, 342980), (7795, 326612), (11420, 222937), (12562, 202670), (14846, 171490), (15590, 163306), (17149, 148460), (20267, 125620), (25124, 101335), (29692, 85745), (31180, 81653), (31405, 81068), (34298, 74230), (37115, 68596), (40534, 62810)]