130020280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4099}}^1$

素因数の和:4184

約数の個数: 64

約数和(自身を含む): 320292000

約数和(自身を除く): 190271720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 3172, 3965, 4099, 6344, 7930, 8198, 15860, 16396, 20495, 31720, 32792, 40990, 53287, 81980, 106574, 163960, 213148, 250039, 266435, 426296, 500078, 532870, 1000156, 1065740, 1250195, 2000312, 2131480, 2500390, 3250507, 5000780, 6501014, 10001560, 13002028, 16252535, 26004056, 32505070, 65010140, 130020280]

約数ペア:

[(1, 130020280), (2, 65010140), (4, 32505070), (5, 26004056), (8, 16252535), (10, 13002028), (13, 10001560), (20, 6501014), (26, 5000780), (40, 3250507), (52, 2500390), (61, 2131480), (65, 2000312), (104, 1250195), (122, 1065740), (130, 1000156), (244, 532870), (260, 500078), (305, 426296), (488, 266435), (520, 250039), (610, 213148), (793, 163960), (1220, 106574), (1586, 81980), (2440, 53287), (3172, 40990), (3965, 32792), (4099, 31720), (6344, 20495), (7930, 16396), (8198, 15860)]