26495690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 57335040

約数和(自身を除く): 30839350

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 631, 646, 1105, 1235, 1262, 1615, 2210, 2470, 3155, 3230, 4199, 6310, 8203, 8398, 10727, 11989, 16406, 20995, 21454, 23978, 41015, 41990, 53635, 59945, 82030, 107270, 119890, 139451, 155857, 203813, 278902, 311714, 407626, 697255, 779285, 1019065, 1394510, 1558570, 2038130, 2649569, 5299138, 13247845, 26495690]

約数ペア:

[(1, 26495690), (2, 13247845), (5, 5299138), (10, 2649569), (13, 2038130), (17, 1558570), (19, 1394510), (26, 1019065), (34, 779285), (38, 697255), (65, 407626), (85, 311714), (95, 278902), (130, 203813), (170, 155857), (190, 139451), (221, 119890), (247, 107270), (323, 82030), (442, 59945), (494, 53635), (631, 41990), (646, 41015), (1105, 23978), (1235, 21454), (1262, 20995), (1615, 16406), (2210, 11989), (2470, 10727), (3155, 8398), (3230, 8203), (4199, 6310)]