2019946760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{6803}}^1$

素因数の和:7398

約数の個数: 64

約数和(自身を含む): 4903778880

約数和(自身を除く): 2883832120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 571, 1142, 2284, 2855, 4568, 5710, 6803, 7423, 11420, 13606, 14846, 22840, 27212, 29692, 34015, 37115, 54424, 59384, 68030, 74230, 88439, 136060, 148460, 176878, 272120, 296920, 353756, 442195, 707512, 884390, 1768780, 3537560, 3884513, 7769026, 15538052, 19422565, 31076104, 38845130, 50498669, 77690260, 100997338, 155380520, 201994676, 252493345, 403989352, 504986690, 1009973380, 2019946760]

約数ペア:

[(1, 2019946760), (2, 1009973380), (4, 504986690), (5, 403989352), (8, 252493345), (10, 201994676), (13, 155380520), (20, 100997338), (26, 77690260), (40, 50498669), (52, 38845130), (65, 31076104), (104, 19422565), (130, 15538052), (260, 7769026), (520, 3884513), (571, 3537560), (1142, 1768780), (2284, 884390), (2855, 707512), (4568, 442195), (5710, 353756), (6803, 296920), (7423, 272120), (11420, 176878), (13606, 148460), (14846, 136060), (22840, 88439), (27212, 74230), (29692, 68030), (34015, 59384), (37115, 54424)]